256975740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 480

約数和(自身を含む): 1030385664

約数和(自身を除く): 773409924

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 31, 34, 35, 36, 42, 43, 45, 51, 54, 60, 62, 63, 68, 70, 81, 84, 85, 86, 90, 93, 102, 105, 108, 119, 124, 126, 129, 135, 140, 153, 155, 162, 170, 172, 180, 186, 189, 204, 210, 215, 217, 238, 252, 255, 258, 270, 279, 301, 306, 310, 315, 324, 340, 357, 372, 378, 387, 405, 420, 430, 434, 459, 465, 476, 510, 516, 527, 540, 558, 567, 595, 602, 612, 620, 630, 645, 651, 714, 731, 756, 765, 774, 810, 837, 860, 868, 903, 918, 930, 945, 1020, 1054, 1071, 1085, 1116, 1134, 1161, 1190, 1204, 1260, 1290, 1302, 1333, 1377, 1395, 1428, 1462, 1505, 1530, 1548, 1581, 1620, 1674, 1785, 1806, 1836, 1860, 1890, 1935, 1953, 2108, 2142, 2170, 2193, 2268, 2295, 2322, 2380, 2511, 2580, 2604, 2635, 2666, 2709, 2754, 2790, 2835, 2924, 3010, 3060, 3162, 3213, 3255, 3348, 3483, 3570, 3612, 3655, 3689, 3780, 3870, 3906, 3999, 4185, 4284, 4340, 4386, 4515, 4590, 4644, 4743, 5022, 5117, 5270, 5332, 5355, 5418, 5508, 5580, 5670, 5805, 5859, 6020, 6324, 6426, 6510, 6579, 6665, 6885, 6966, 7140, 7310, 7378, 7740, 7812, 7905, 7998, 8127, 8370, 8772, 9030, 9180, 9331, 9486, 9639, 9765, 10044, 10234, 10540, 10710, 10836, 10965, 11067, 11340, 11610, 11718, 11997, 12555, 12852, 13020, 13158, 13330, 13545, 13770, 13932, 14229, 14620, 14756, 15351, 15810, 15996, 16065, 16254, 16740, 17415, 17577, 18060, 18445, 18662, 18972, 19278, 19530, 19737, 19995, 20468, 21420, 21930, 22134, 22661, 23220, 23436, 23715, 23994, 24381, 25110, 25585, 26316, 26660, 27090, 27540, 27993, 28458, 29295, 30702, 31620, 32130, 32508, 32895, 33201, 34830, 35154, 35991, 36890, 37324, 38556, 39060, 39474, 39990, 40635, 42687, 43860, 44268, 45322, 46053, 46655, 47430, 47988, 48195, 48762, 50220, 51170, 54180, 55335, 55986, 56916, 58590, 59211, 59985, 61404, 64260, 65790, 66402, 67983, 69660, 70308, 71145, 71982, 73780, 76755, 78948, 79980, 81270, 83979, 85374, 87885, 90644, 92106, 93310, 94860, 96390, 97524, 98685, 99603, 102340, 107973, 110670, 111972, 113305, 117180, 118422, 119970, 121905, 131580, 132804, 135966, 138159, 139965, 142290, 143964, 153510, 158627, 162540, 166005, 167958, 170748, 175770, 179955, 184212, 186620, 192780, 197370, 199206, 203949, 213435, 215946, 221340, 226610, 230265, 236844, 239940, 243810, 251937, 271932, 276318, 279930, 284580, 296055, 298809, 307020, 317254, 332010, 335916, 339915, 351540, 359910, 394740, 398412, 407898, 414477, 419895, 426870, 431892, 453220, 460530, 475881, 487620, 498015, 503874, 539865, 552636, 559860, 592110, 597618, 611847, 634508, 664020, 679830, 690795, 719820, 755811, 793135, 815796, 828954, 839790, 853740, 921060, 951762, 996030, 1007748, 1019745, 1079730, 1184220, 1195236, 1223694, 1259685, 1359660, 1381590, 1427643, 1494045, 1511622, 1586270, 1657908, 1679580, 1835541, 1903524, 1992060, 2039490, 2072385, 2159460, 2379405, 2447388, 2519370, 2763180, 2855286, 2988090, 3023244, 3059235, 3172540, 3671082, 3779055, 4078980, 4144770, 4282929, 4758810, 5038740, 5710572, 5976180, 6118470, 7138215, 7342164, 7558110, 8289540, 8565858, 9177705, 9517620, 12236940, 12848787, 14276430, 15116220, 17131716, 18355410, 21414645, 25697574, 28552860, 36710820, 42829290, 51395148, 64243935, 85658580, 128487870, 256975740]

約数ペア:

[(1, 256975740), (2, 128487870), (3, 85658580), (4, 64243935), (5, 51395148), (6, 42829290), (7, 36710820), (9, 28552860), (10, 25697574), (12, 21414645), (14, 18355410), (15, 17131716), (17, 15116220), (18, 14276430), (20, 12848787), (21, 12236940), (27, 9517620), (28, 9177705), (30, 8565858), (31, 8289540), (34, 7558110), (35, 7342164), (36, 7138215), (42, 6118470), (43, 5976180), (45, 5710572), (51, 5038740), (54, 4758810), (60, 4282929), (62, 4144770), (63, 4078980), (68, 3779055), (70, 3671082), (81, 3172540), (84, 3059235), (85, 3023244), (86, 2988090), (90, 2855286), (93, 2763180), (102, 2519370), (105, 2447388), (108, 2379405), (119, 2159460), (124, 2072385), (126, 2039490), (129, 1992060), (135, 1903524), (140, 1835541), (153, 1679580), (155, 1657908), (162, 1586270), (170, 1511622), (172, 1494045), (180, 1427643), (186, 1381590), (189, 1359660), (204, 1259685), (210, 1223694), (215, 1195236), (217, 1184220), (238, 1079730), (252, 1019745), (255, 1007748), (258, 996030), (270, 951762), (279, 921060), (301, 853740), (306, 839790), (310, 828954), (315, 815796), (324, 793135), (340, 755811), (357, 719820), (372, 690795), (378, 679830), (387, 664020), (405, 634508), (420, 611847), (430, 597618), (434, 592110), (459, 559860), (465, 552636), (476, 539865), (510, 503874), (516, 498015), (527, 487620), (540, 475881), (558, 460530), (567, 453220), (595, 431892), (602, 426870), (612, 419895), (620, 414477), (630, 407898), (645, 398412), (651, 394740), (714, 359910), (731, 351540), (756, 339915), (765, 335916), (774, 332010), (810, 317254), (837, 307020), (860, 298809), (868, 296055), (903, 284580), (918, 279930), (930, 276318), (945, 271932), (1020, 251937), (1054, 243810), (1071, 239940), (1085, 236844), (1116, 230265), (1134, 226610), (1161, 221340), (1190, 215946), (1204, 213435), (1260, 203949), (1290, 199206), (1302, 197370), (1333, 192780), (1377, 186620), (1395, 184212), (1428, 179955), (1462, 175770), (1505, 170748), (1530, 167958), (1548, 166005), (1581, 162540), (1620, 158627), (1674, 153510), (1785, 143964), (1806, 142290), (1836, 139965), (1860, 138159), (1890, 135966), (1935, 132804), (1953, 131580), (2108, 121905), (2142, 119970), (2170, 118422), (2193, 117180), (2268, 113305), (2295, 111972), (2322, 110670), (2380, 107973), (2511, 102340), (2580, 99603), (2604, 98685), (2635, 97524), (2666, 96390), (2709, 94860), (2754, 93310), (2790, 92106), (2835, 90644), (2924, 87885), (3010, 85374), (3060, 83979), (3162, 81270), (3213, 79980), (3255, 78948), (3348, 76755), (3483, 73780), (3570, 71982), (3612, 71145), (3655, 70308), (3689, 69660), (3780, 67983), (3870, 66402), (3906, 65790), (3999, 64260), (4185, 61404), (4284, 59985), (4340, 59211), (4386, 58590), (4515, 56916), (4590, 55986), (4644, 55335), (4743, 54180), (5022, 51170), (5117, 50220), (5270, 48762), (5332, 48195), (5355, 47988), (5418, 47430), (5508, 46655), (5580, 46053), (5670, 45322), (5805, 44268), (5859, 43860), (6020, 42687), (6324, 40635), (6426, 39990), (6510, 39474), (6579, 39060), (6665, 38556), (6885, 37324), (6966, 36890), (7140, 35991), (7310, 35154), (7378, 34830), (7740, 33201), (7812, 32895), (7905, 32508), (7998, 32130), (8127, 31620), (8370, 30702), (8772, 29295), (9030, 28458), (9180, 27993), (9331, 27540), (9486, 27090), (9639, 26660), (9765, 26316), (10044, 25585), (10234, 25110), (10540, 24381), (10710, 23994), (10836, 23715), (10965, 23436), (11067, 23220), (11340, 22661), (11610, 22134), (11718, 21930), (11997, 21420), (12555, 20468), (12852, 19995), (13020, 19737), (13158, 19530), (13330, 19278), (13545, 18972), (13770, 18662), (13932, 18445), (14229, 18060), (14620, 17577), (14756, 17415), (15351, 16740), (15810, 16254), (15996, 16065)]