31910580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1049}}^1$

素因数の和:1090

約数の個数: 108

約数和(自身を含む): 104913900

約数和(自身を除く): 73003320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1049, 1170, 1521, 1690, 2028, 2098, 2340, 2535, 3042, 3147, 3380, 4196, 5070, 5245, 6084, 6294, 7605, 9441, 10140, 10490, 12588, 13637, 15210, 15735, 18882, 20980, 27274, 30420, 31470, 37764, 40911, 47205, 54548, 62940, 68185, 81822, 94410, 122733, 136370, 163644, 177281, 188820, 204555, 245466, 272740, 354562, 409110, 490932, 531843, 613665, 709124, 818220, 886405, 1063686, 1227330, 1595529, 1772810, 2127372, 2454660, 2659215, 3191058, 3545620, 5318430, 6382116, 7977645, 10636860, 15955290, 31910580]

約数ペア:

[(1, 31910580), (2, 15955290), (3, 10636860), (4, 7977645), (5, 6382116), (6, 5318430), (9, 3545620), (10, 3191058), (12, 2659215), (13, 2454660), (15, 2127372), (18, 1772810), (20, 1595529), (26, 1227330), (30, 1063686), (36, 886405), (39, 818220), (45, 709124), (52, 613665), (60, 531843), (65, 490932), (78, 409110), (90, 354562), (117, 272740), (130, 245466), (156, 204555), (169, 188820), (180, 177281), (195, 163644), (234, 136370), (260, 122733), (338, 94410), (390, 81822), (468, 68185), (507, 62940), (585, 54548), (676, 47205), (780, 40911), (845, 37764), (1014, 31470), (1049, 30420), (1170, 27274), (1521, 20980), (1690, 18882), (2028, 15735), (2098, 15210), (2340, 13637), (2535, 12588), (3042, 10490), (3147, 10140), (3380, 9441), (4196, 7605), (5070, 6294), (5245, 6084)]