256590180

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1$

素因数の和:78

約数の個数: 480

約数和(自身を含む): 1071366912

約数和(自身を除く): 814776732

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 27, 28, 30, 33, 34, 35, 36, 42, 44, 45, 51, 54, 55, 60, 63, 66, 68, 70, 77, 81, 84, 85, 90, 99, 102, 105, 108, 110, 119, 121, 126, 132, 135, 140, 153, 154, 162, 165, 170, 180, 187, 189, 198, 204, 210, 220, 231, 238, 242, 252, 255, 270, 297, 306, 308, 315, 324, 330, 340, 357, 363, 374, 378, 385, 396, 405, 420, 459, 462, 476, 484, 495, 510, 540, 561, 567, 594, 595, 605, 612, 630, 660, 693, 714, 726, 748, 756, 765, 770, 810, 847, 891, 918, 924, 935, 945, 990, 1020, 1071, 1089, 1122, 1134, 1155, 1188, 1190, 1210, 1260, 1309, 1331, 1377, 1386, 1428, 1452, 1485, 1530, 1540, 1620, 1683, 1694, 1782, 1785, 1815, 1836, 1870, 1890, 1980, 2057, 2079, 2142, 2178, 2244, 2268, 2295, 2310, 2380, 2420, 2541, 2618, 2662, 2754, 2772, 2805, 2835, 2970, 3060, 3213, 3267, 3366, 3388, 3465, 3564, 3570, 3630, 3740, 3780, 3927, 3993, 4114, 4158, 4235, 4284, 4356, 4455, 4590, 4620, 5049, 5082, 5236, 5324, 5355, 5445, 5508, 5610, 5670, 5940, 6171, 6237, 6426, 6534, 6545, 6655, 6732, 6885, 6930, 7140, 7260, 7623, 7854, 7986, 8228, 8316, 8415, 8470, 8910, 9180, 9317, 9639, 9801, 10098, 10164, 10285, 10395, 10710, 10890, 11220, 11340, 11781, 11979, 12342, 12474, 12705, 12852, 13068, 13090, 13310, 13770, 13860, 14399, 15147, 15246, 15708, 15972, 16065, 16335, 16830, 16940, 17820, 18513, 18634, 19278, 19602, 19635, 19965, 20196, 20570, 20790, 21420, 21780, 22627, 22869, 23562, 23958, 24684, 24948, 25245, 25410, 26180, 26620, 27540, 27951, 28798, 30294, 30492, 30855, 31185, 32130, 32670, 33660, 35343, 35937, 37026, 37268, 38115, 38556, 39204, 39270, 39930, 41140, 41580, 43197, 45254, 45738, 46585, 47124, 47916, 48195, 49005, 50490, 50820, 55539, 55902, 57596, 58905, 59895, 60588, 61710, 62370, 64260, 65340, 67881, 68607, 70686, 71874, 71995, 74052, 75735, 76230, 78540, 79860, 83853, 86394, 90508, 91476, 92565, 93170, 96390, 98010, 100980, 106029, 107811, 111078, 111804, 113135, 114345, 117810, 119790, 123420, 124740, 129591, 135762, 137214, 139755, 141372, 143748, 143990, 151470, 152460, 158389, 166617, 167706, 172788, 176715, 179685, 185130, 186340, 192780, 196020, 203643, 212058, 215622, 215985, 222156, 226270, 228690, 235620, 239580, 251559, 259182, 271524, 274428, 277695, 279510, 287980, 302940, 316778, 333234, 335412, 339405, 343035, 353430, 359370, 370260, 388773, 407286, 419265, 424116, 431244, 431970, 452540, 457380, 475167, 503118, 518364, 530145, 539055, 555390, 559020, 610929, 633556, 647955, 666468, 678810, 686070, 706860, 718740, 754677, 777546, 791945, 814572, 833085, 838530, 863940, 950334, 1006236, 1018215, 1060290, 1078110, 1110780, 1166319, 1221858, 1257795, 1295910, 1357620, 1372140, 1425501, 1509354, 1555092, 1583890, 1666170, 1677060, 1832787, 1900668, 1943865, 2036430, 2120580, 2156220, 2332638, 2375835, 2443716, 2515590, 2591820, 2851002, 3018708, 3054645, 3167780, 3332340, 3665574, 3773385, 3887730, 4072860, 4276503, 4665276, 4751670, 5031180, 5702004, 5831595, 6109290, 7127505, 7331148, 7546770, 7775460, 8553006, 9163935, 9503340, 11663190, 12218580, 12829509, 14255010, 15093540, 17106012, 18327870, 21382515, 23326380, 25659018, 28510020, 36655740, 42765030, 51318036, 64147545, 85530060, 128295090, 256590180]

約数ペア:

[(1, 256590180), (2, 128295090), (3, 85530060), (4, 64147545), (5, 51318036), (6, 42765030), (7, 36655740), (9, 28510020), (10, 25659018), (11, 23326380), (12, 21382515), (14, 18327870), (15, 17106012), (17, 15093540), (18, 14255010), (20, 12829509), (21, 12218580), (22, 11663190), (27, 9503340), (28, 9163935), (30, 8553006), (33, 7775460), (34, 7546770), (35, 7331148), (36, 7127505), (42, 6109290), (44, 5831595), (45, 5702004), (51, 5031180), (54, 4751670), (55, 4665276), (60, 4276503), (63, 4072860), (66, 3887730), (68, 3773385), (70, 3665574), (77, 3332340), (81, 3167780), (84, 3054645), (85, 3018708), (90, 2851002), (99, 2591820), (102, 2515590), (105, 2443716), (108, 2375835), (110, 2332638), (119, 2156220), (121, 2120580), (126, 2036430), (132, 1943865), (135, 1900668), (140, 1832787), (153, 1677060), (154, 1666170), (162, 1583890), (165, 1555092), (170, 1509354), (180, 1425501), (187, 1372140), (189, 1357620), (198, 1295910), (204, 1257795), (210, 1221858), (220, 1166319), (231, 1110780), (238, 1078110), (242, 1060290), (252, 1018215), (255, 1006236), (270, 950334), (297, 863940), (306, 838530), (308, 833085), (315, 814572), (324, 791945), (330, 777546), (340, 754677), (357, 718740), (363, 706860), (374, 686070), (378, 678810), (385, 666468), (396, 647955), (405, 633556), (420, 610929), (459, 559020), (462, 555390), (476, 539055), (484, 530145), (495, 518364), (510, 503118), (540, 475167), (561, 457380), (567, 452540), (594, 431970), (595, 431244), (605, 424116), (612, 419265), (630, 407286), (660, 388773), (693, 370260), (714, 359370), (726, 353430), (748, 343035), (756, 339405), (765, 335412), (770, 333234), (810, 316778), (847, 302940), (891, 287980), (918, 279510), (924, 277695), (935, 274428), (945, 271524), (990, 259182), (1020, 251559), (1071, 239580), (1089, 235620), (1122, 228690), (1134, 226270), (1155, 222156), (1188, 215985), (1190, 215622), (1210, 212058), (1260, 203643), (1309, 196020), (1331, 192780), (1377, 186340), (1386, 185130), (1428, 179685), (1452, 176715), (1485, 172788), (1530, 167706), (1540, 166617), (1620, 158389), (1683, 152460), (1694, 151470), (1782, 143990), (1785, 143748), (1815, 141372), (1836, 139755), (1870, 137214), (1890, 135762), (1980, 129591), (2057, 124740), (2079, 123420), (2142, 119790), (2178, 117810), (2244, 114345), (2268, 113135), (2295, 111804), (2310, 111078), (2380, 107811), (2420, 106029), (2541, 100980), (2618, 98010), (2662, 96390), (2754, 93170), (2772, 92565), (2805, 91476), (2835, 90508), (2970, 86394), (3060, 83853), (3213, 79860), (3267, 78540), (3366, 76230), (3388, 75735), (3465, 74052), (3564, 71995), (3570, 71874), (3630, 70686), (3740, 68607), (3780, 67881), (3927, 65340), (3993, 64260), (4114, 62370), (4158, 61710), (4235, 60588), (4284, 59895), (4356, 58905), (4455, 57596), (4590, 55902), (4620, 55539), (5049, 50820), (5082, 50490), (5236, 49005), (5324, 48195), (5355, 47916), (5445, 47124), (5508, 46585), (5610, 45738), (5670, 45254), (5940, 43197), (6171, 41580), (6237, 41140), (6426, 39930), (6534, 39270), (6545, 39204), (6655, 38556), (6732, 38115), (6885, 37268), (6930, 37026), (7140, 35937), (7260, 35343), (7623, 33660), (7854, 32670), (7986, 32130), (8228, 31185), (8316, 30855), (8415, 30492), (8470, 30294), (8910, 28798), (9180, 27951), (9317, 27540), (9639, 26620), (9801, 26180), (10098, 25410), (10164, 25245), (10285, 24948), (10395, 24684), (10710, 23958), (10890, 23562), (11220, 22869), (11340, 22627), (11781, 21780), (11979, 21420), (12342, 20790), (12474, 20570), (12705, 20196), (12852, 19965), (13068, 19635), (13090, 19602), (13310, 19278), (13770, 18634), (13860, 18513), (14399, 17820), (15147, 16940), (15246, 16830), (15708, 16335), (15972, 16065)]