180495783520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{240379}}^1$

素因数の和:240445

約数の個数: 144

約数和(自身を含む): 484666655760

約数和(自身を除く): 304170872240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 361, 380, 416, 494, 520, 608, 722, 760, 988, 1040, 1235, 1444, 1520, 1805, 1976, 2080, 2470, 2888, 3040, 3610, 3952, 4693, 4940, 5776, 7220, 7904, 9386, 9880, 11552, 14440, 18772, 19760, 23465, 28880, 37544, 39520, 46930, 57760, 75088, 93860, 150176, 187720, 240379, 375440, 480758, 750880, 961516, 1201895, 1923032, 2403790, 3124927, 3846064, 4567201, 4807580, 6249854, 7692128, 9134402, 9615160, 12499708, 15624635, 18268804, 19230320, 22836005, 24999416, 31249270, 36537608, 38460640, 45672010, 49998832, 59373613, 62498540, 73075216, 86776819, 91344020, 99997664, 118747226, 124997080, 146150432, 173553638, 182688040, 237494452, 249994160, 296868065, 347107276, 365376080, 433884095, 474988904, 499988320, 593736130, 694214552, 730752160, 867768190, 949977808, 1128098647, 1187472260, 1388429104, 1735536380, 1899955616, 2256197294, 2374944520, 2776858208, 3471072760, 4512394588, 4749889040, 5640493235, 6942145520, 9024789176, 9499778080, 11280986470, 13884291040, 18049578352, 22561972940, 36099156704, 45123945880, 90247891760, 180495783520]

約数ペア:

[(1, 180495783520), (2, 90247891760), (4, 45123945880), (5, 36099156704), (8, 22561972940), (10, 18049578352), (13, 13884291040), (16, 11280986470), (19, 9499778080), (20, 9024789176), (26, 6942145520), (32, 5640493235), (38, 4749889040), (40, 4512394588), (52, 3471072760), (65, 2776858208), (76, 2374944520), (80, 2256197294), (95, 1899955616), (104, 1735536380), (130, 1388429104), (152, 1187472260), (160, 1128098647), (190, 949977808), (208, 867768190), (247, 730752160), (260, 694214552), (304, 593736130), (361, 499988320), (380, 474988904), (416, 433884095), (494, 365376080), (520, 347107276), (608, 296868065), (722, 249994160), (760, 237494452), (988, 182688040), (1040, 173553638), (1235, 146150432), (1444, 124997080), (1520, 118747226), (1805, 99997664), (1976, 91344020), (2080, 86776819), (2470, 73075216), (2888, 62498540), (3040, 59373613), (3610, 49998832), (3952, 45672010), (4693, 38460640), (4940, 36537608), (5776, 31249270), (7220, 24999416), (7904, 22836005), (9386, 19230320), (9880, 18268804), (11552, 15624635), (14440, 12499708), (18772, 9615160), (19760, 9134402), (23465, 7692128), (28880, 6249854), (37544, 4807580), (39520, 4567201), (46930, 3846064), (57760, 3124927), (75088, 2403790), (93860, 1923032), (150176, 1201895), (187720, 961516), (240379, 750880), (375440, 480758)]