81935760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9227}}^1$

素因数の和:9280

約数の個数: 80

約数和(自身を含む): 260894016

約数和(自身を除く): 178958256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 9227, 18454, 27681, 36908, 46135, 55362, 73816, 92270, 110724, 138405, 147632, 184540, 221448, 276810, 341399, 369080, 442896, 553620, 682798, 738160, 1024197, 1107240, 1365596, 1706995, 2048394, 2214480, 2731192, 3413990, 4096788, 5120985, 5462384, 6827980, 8193576, 10241970, 13655960, 16387152, 20483940, 27311920, 40967880, 81935760]

約数ペア:

[(1, 81935760), (2, 40967880), (3, 27311920), (4, 20483940), (5, 16387152), (6, 13655960), (8, 10241970), (10, 8193576), (12, 6827980), (15, 5462384), (16, 5120985), (20, 4096788), (24, 3413990), (30, 2731192), (37, 2214480), (40, 2048394), (48, 1706995), (60, 1365596), (74, 1107240), (80, 1024197), (111, 738160), (120, 682798), (148, 553620), (185, 442896), (222, 369080), (240, 341399), (296, 276810), (370, 221448), (444, 184540), (555, 147632), (592, 138405), (740, 110724), (888, 92270), (1110, 73816), (1480, 55362), (1776, 46135), (2220, 36908), (2960, 27681), (4440, 18454), (8880, 9227)]