128487870

素因数分解:

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

素因数の和:117

約数の個数: 320

約数和(自身を含む): 441593856

約数和(自身を除く): 313105986

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 31, 34, 35, 42, 43, 45, 51, 54, 62, 63, 70, 81, 85, 86, 90, 93, 102, 105, 119, 126, 129, 135, 153, 155, 162, 170, 186, 189, 210, 215, 217, 238, 255, 258, 270, 279, 301, 306, 310, 315, 357, 378, 387, 405, 430, 434, 459, 465, 510, 527, 558, 567, 595, 602, 630, 645, 651, 714, 731, 765, 774, 810, 837, 903, 918, 930, 945, 1054, 1071, 1085, 1134, 1161, 1190, 1290, 1302, 1333, 1377, 1395, 1462, 1505, 1530, 1581, 1674, 1785, 1806, 1890, 1935, 1953, 2142, 2170, 2193, 2295, 2322, 2511, 2635, 2666, 2709, 2754, 2790, 2835, 3010, 3162, 3213, 3255, 3483, 3570, 3655, 3689, 3870, 3906, 3999, 4185, 4386, 4515, 4590, 4743, 5022, 5117, 5270, 5355, 5418, 5670, 5805, 5859, 6426, 6510, 6579, 6665, 6885, 6966, 7310, 7378, 7905, 7998, 8127, 8370, 9030, 9331, 9486, 9639, 9765, 10234, 10710, 10965, 11067, 11610, 11718, 11997, 12555, 13158, 13330, 13545, 13770, 14229, 15351, 15810, 16065, 16254, 17415, 17577, 18445, 18662, 19278, 19530, 19737, 19995, 21930, 22134, 22661, 23715, 23994, 24381, 25110, 25585, 27090, 27993, 28458, 29295, 30702, 32130, 32895, 33201, 34830, 35154, 35991, 36890, 39474, 39990, 40635, 42687, 45322, 46053, 46655, 47430, 48195, 48762, 51170, 55335, 55986, 58590, 59211, 59985, 65790, 66402, 67983, 71145, 71982, 76755, 81270, 83979, 85374, 87885, 92106, 93310, 96390, 98685, 99603, 107973, 110670, 113305, 118422, 119970, 121905, 135966, 138159, 139965, 142290, 153510, 158627, 166005, 167958, 175770, 179955, 197370, 199206, 203949, 213435, 215946, 226610, 230265, 243810, 251937, 276318, 279930, 296055, 298809, 317254, 332010, 339915, 359910, 407898, 414477, 419895, 426870, 460530, 475881, 498015, 503874, 539865, 592110, 597618, 611847, 679830, 690795, 755811, 793135, 828954, 839790, 951762, 996030, 1019745, 1079730, 1223694, 1259685, 1381590, 1427643, 1494045, 1511622, 1586270, 1835541, 2039490, 2072385, 2379405, 2519370, 2855286, 2988090, 3059235, 3671082, 3779055, 4144770, 4282929, 4758810, 6118470, 7138215, 7558110, 8565858, 9177705, 12848787, 14276430, 18355410, 21414645, 25697574, 42829290, 64243935, 128487870]

約数ペア:

[(1, 128487870), (2, 64243935), (3, 42829290), (5, 25697574), (6, 21414645), (7, 18355410), (9, 14276430), (10, 12848787), (14, 9177705), (15, 8565858), (17, 7558110), (18, 7138215), (21, 6118470), (27, 4758810), (30, 4282929), (31, 4144770), (34, 3779055), (35, 3671082), (42, 3059235), (43, 2988090), (45, 2855286), (51, 2519370), (54, 2379405), (62, 2072385), (63, 2039490), (70, 1835541), (81, 1586270), (85, 1511622), (86, 1494045), (90, 1427643), (93, 1381590), (102, 1259685), (105, 1223694), (119, 1079730), (126, 1019745), (129, 996030), (135, 951762), (153, 839790), (155, 828954), (162, 793135), (170, 755811), (186, 690795), (189, 679830), (210, 611847), (215, 597618), (217, 592110), (238, 539865), (255, 503874), (258, 498015), (270, 475881), (279, 460530), (301, 426870), (306, 419895), (310, 414477), (315, 407898), (357, 359910), (378, 339915), (387, 332010), (405, 317254), (430, 298809), (434, 296055), (459, 279930), (465, 276318), (510, 251937), (527, 243810), (558, 230265), (567, 226610), (595, 215946), (602, 213435), (630, 203949), (645, 199206), (651, 197370), (714, 179955), (731, 175770), (765, 167958), (774, 166005), (810, 158627), (837, 153510), (903, 142290), (918, 139965), (930, 138159), (945, 135966), (1054, 121905), (1071, 119970), (1085, 118422), (1134, 113305), (1161, 110670), (1190, 107973), (1290, 99603), (1302, 98685), (1333, 96390), (1377, 93310), (1395, 92106), (1462, 87885), (1505, 85374), (1530, 83979), (1581, 81270), (1674, 76755), (1785, 71982), (1806, 71145), (1890, 67983), (1935, 66402), (1953, 65790), (2142, 59985), (2170, 59211), (2193, 58590), (2295, 55986), (2322, 55335), (2511, 51170), (2635, 48762), (2666, 48195), (2709, 47430), (2754, 46655), (2790, 46053), (2835, 45322), (3010, 42687), (3162, 40635), (3213, 39990), (3255, 39474), (3483, 36890), (3570, 35991), (3655, 35154), (3689, 34830), (3870, 33201), (3906, 32895), (3999, 32130), (4185, 30702), (4386, 29295), (4515, 28458), (4590, 27993), (4743, 27090), (5022, 25585), (5117, 25110), (5270, 24381), (5355, 23994), (5418, 23715), (5670, 22661), (5805, 22134), (5859, 21930), (6426, 19995), (6510, 19737), (6579, 19530), (6665, 19278), (6885, 18662), (6966, 18445), (7310, 17577), (7378, 17415), (7905, 16254), (7998, 16065), (8127, 15810), (8370, 15351), (9030, 14229), (9331, 13770), (9486, 13545), (9639, 13330), (9765, 13158), (10234, 12555), (10710, 11997), (10965, 11718), (11067, 11610)]