28515240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:713

約数の個数: 160

約数和(自身を含む): 103367880

約数和(自身を除く): 74852640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 677, 702, 780, 810, 936, 1053, 1080, 1170, 1354, 1404, 1560, 1620, 1755, 2031, 2106, 2340, 2708, 2808, 3240, 3385, 3510, 4062, 4212, 4680, 5265, 5416, 6093, 6770, 7020, 8124, 8424, 8801, 10155, 10530, 12186, 13540, 14040, 16248, 17602, 18279, 20310, 21060, 24372, 26403, 27080, 30465, 35204, 36558, 40620, 42120, 44005, 48744, 52806, 54837, 60930, 70408, 73116, 79209, 81240, 88010, 91395, 105612, 109674, 121860, 132015, 146232, 158418, 176020, 182790, 211224, 219348, 237627, 243720, 264030, 274185, 316836, 352040, 365580, 396045, 438696, 475254, 528060, 548370, 633672, 712881, 731160, 792090, 950508, 1056120, 1096740, 1188135, 1425762, 1584180, 1901016, 2193480, 2376270, 2851524, 3168360, 3564405, 4752540, 5703048, 7128810, 9505080, 14257620, 28515240]

約数ペア:

[(1, 28515240), (2, 14257620), (3, 9505080), (4, 7128810), (5, 5703048), (6, 4752540), (8, 3564405), (9, 3168360), (10, 2851524), (12, 2376270), (13, 2193480), (15, 1901016), (18, 1584180), (20, 1425762), (24, 1188135), (26, 1096740), (27, 1056120), (30, 950508), (36, 792090), (39, 731160), (40, 712881), (45, 633672), (52, 548370), (54, 528060), (60, 475254), (65, 438696), (72, 396045), (78, 365580), (81, 352040), (90, 316836), (104, 274185), (108, 264030), (117, 243720), (120, 237627), (130, 219348), (135, 211224), (156, 182790), (162, 176020), (180, 158418), (195, 146232), (216, 132015), (234, 121860), (260, 109674), (270, 105612), (312, 91395), (324, 88010), (351, 81240), (360, 79209), (390, 73116), (405, 70408), (468, 60930), (520, 54837), (540, 52806), (585, 48744), (648, 44005), (677, 42120), (702, 40620), (780, 36558), (810, 35204), (936, 30465), (1053, 27080), (1080, 26403), (1170, 24372), (1354, 21060), (1404, 20310), (1560, 18279), (1620, 17602), (1755, 16248), (2031, 14040), (2106, 13540), (2340, 12186), (2708, 10530), (2808, 10155), (3240, 8801), (3385, 8424), (3510, 8124), (4062, 7020), (4212, 6770), (4680, 6093), (5265, 5416)]