90217640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{733}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 216412560

約数和(自身を除く): 126194920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 680, 724, 733, 905, 1448, 1466, 1810, 2932, 3077, 3620, 3665, 5864, 6154, 7240, 7330, 12308, 12461, 14660, 15385, 24616, 24922, 29320, 30770, 49844, 61540, 62305, 99688, 123080, 124610, 132673, 249220, 265346, 498440, 530692, 663365, 1061384, 1326730, 2255441, 2653460, 4510882, 5306920, 9021764, 11277205, 18043528, 22554410, 45108820, 90217640]

約数ペア:

[(1, 90217640), (2, 45108820), (4, 22554410), (5, 18043528), (8, 11277205), (10, 9021764), (17, 5306920), (20, 4510882), (34, 2653460), (40, 2255441), (68, 1326730), (85, 1061384), (136, 663365), (170, 530692), (181, 498440), (340, 265346), (362, 249220), (680, 132673), (724, 124610), (733, 123080), (905, 99688), (1448, 62305), (1466, 61540), (1810, 49844), (2932, 30770), (3077, 29320), (3620, 24922), (3665, 24616), (5864, 15385), (6154, 14660), (7240, 12461), (7330, 12308)]