72180784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 157927392

約数和(自身を除く): 85746608

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 83, 104, 113, 148, 166, 208, 226, 296, 332, 452, 481, 592, 664, 904, 962, 1079, 1328, 1469, 1808, 1924, 2158, 2938, 3071, 3848, 4181, 4316, 5876, 6142, 7696, 8362, 8632, 9379, 11752, 12284, 16724, 17264, 18758, 23504, 24568, 33448, 37516, 39923, 49136, 54353, 66896, 75032, 79846, 108706, 121927, 150064, 159692, 217412, 243854, 319384, 347023, 434824, 487708, 638768, 694046, 869648, 975416, 1388092, 1950832, 2776184, 4511299, 5552368, 9022598, 18045196, 36090392, 72180784]

約数ペア:

[(1, 72180784), (2, 36090392), (4, 18045196), (8, 9022598), (13, 5552368), (16, 4511299), (26, 2776184), (37, 1950832), (52, 1388092), (74, 975416), (83, 869648), (104, 694046), (113, 638768), (148, 487708), (166, 434824), (208, 347023), (226, 319384), (296, 243854), (332, 217412), (452, 159692), (481, 150064), (592, 121927), (664, 108706), (904, 79846), (962, 75032), (1079, 66896), (1328, 54353), (1469, 49136), (1808, 39923), (1924, 37516), (2158, 33448), (2938, 24568), (3071, 23504), (3848, 18758), (4181, 17264), (4316, 16724), (5876, 12284), (6142, 11752), (7696, 9379), (8362, 8632)]