81545880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4021}}^1$

素因数の和:4061

約数の個数: 96

約数和(自身を含む): 264969360

約数和(自身を除く): 183423480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2535, 3380, 4021, 4056, 5070, 6760, 8042, 10140, 12063, 16084, 20105, 20280, 24126, 32168, 40210, 48252, 52273, 60315, 80420, 96504, 104546, 120630, 156819, 160840, 209092, 241260, 261365, 313638, 418184, 482520, 522730, 627276, 679549, 784095, 1045460, 1254552, 1359098, 1568190, 2038647, 2090920, 2718196, 3136380, 3397745, 4077294, 5436392, 6272760, 6795490, 8154588, 10193235, 13590980, 16309176, 20386470, 27181960, 40772940, 81545880]

約数ペア:

[(1, 81545880), (2, 40772940), (3, 27181960), (4, 20386470), (5, 16309176), (6, 13590980), (8, 10193235), (10, 8154588), (12, 6795490), (13, 6272760), (15, 5436392), (20, 4077294), (24, 3397745), (26, 3136380), (30, 2718196), (39, 2090920), (40, 2038647), (52, 1568190), (60, 1359098), (65, 1254552), (78, 1045460), (104, 784095), (120, 679549), (130, 627276), (156, 522730), (169, 482520), (195, 418184), (260, 313638), (312, 261365), (338, 241260), (390, 209092), (507, 160840), (520, 156819), (676, 120630), (780, 104546), (845, 96504), (1014, 80420), (1352, 60315), (1560, 52273), (1690, 48252), (2028, 40210), (2535, 32168), (3380, 24126), (4021, 20280), (4056, 20105), (5070, 16084), (6760, 12063), (8042, 10140)]