81828240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26227}}^1$

素因数の和:26256

約数の個数: 80

約数和(自身を含む): 273190848

約数和(自身を除く): 191362608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 26227, 52454, 78681, 104908, 131135, 157362, 209816, 262270, 314724, 340951, 393405, 419632, 524540, 629448, 681902, 786810, 1022853, 1049080, 1258896, 1363804, 1573620, 1704755, 2045706, 2098160, 2727608, 3147240, 3409510, 4091412, 5114265, 5455216, 6294480, 6819020, 8182824, 10228530, 13638040, 16365648, 20457060, 27276080, 40914120, 81828240]

約数ペア:

[(1, 81828240), (2, 40914120), (3, 27276080), (4, 20457060), (5, 16365648), (6, 13638040), (8, 10228530), (10, 8182824), (12, 6819020), (13, 6294480), (15, 5455216), (16, 5114265), (20, 4091412), (24, 3409510), (26, 3147240), (30, 2727608), (39, 2098160), (40, 2045706), (48, 1704755), (52, 1573620), (60, 1363804), (65, 1258896), (78, 1049080), (80, 1022853), (104, 786810), (120, 681902), (130, 629448), (156, 524540), (195, 419632), (208, 393405), (240, 340951), (260, 314724), (312, 262270), (390, 209816), (520, 157362), (624, 131135), (780, 104908), (1040, 78681), (1560, 52454), (3120, 26227)]