28626960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 89369280

約数和(自身を除く): 60742320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 543, 659, 724, 905, 1086, 1318, 1448, 1810, 1977, 2172, 2636, 2715, 2896, 3295, 3620, 3954, 4344, 5272, 5430, 6590, 7240, 7908, 8688, 9885, 10544, 10860, 13180, 14480, 15816, 19770, 21720, 26360, 31632, 39540, 43440, 52720, 79080, 119279, 158160, 238558, 357837, 477116, 596395, 715674, 954232, 1192790, 1431348, 1789185, 1908464, 2385580, 2862696, 3578370, 4771160, 5725392, 7156740, 9542320, 14313480, 28626960]

約数ペア:

[(1, 28626960), (2, 14313480), (3, 9542320), (4, 7156740), (5, 5725392), (6, 4771160), (8, 3578370), (10, 2862696), (12, 2385580), (15, 1908464), (16, 1789185), (20, 1431348), (24, 1192790), (30, 954232), (40, 715674), (48, 596395), (60, 477116), (80, 357837), (120, 238558), (181, 158160), (240, 119279), (362, 79080), (543, 52720), (659, 43440), (724, 39540), (905, 31632), (1086, 26360), (1318, 21720), (1448, 19770), (1810, 15816), (1977, 14480), (2172, 13180), (2636, 10860), (2715, 10544), (2896, 9885), (3295, 8688), (3620, 7908), (3954, 7240), (4344, 6590), (5272, 5430)]