281881380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1787}}^1$

素因数の和:2049

約数の個数: 96

約数和(自身を含む): 865105920

約数和(自身を除く): 583224540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 239, 330, 478, 660, 717, 956, 1195, 1434, 1787, 2390, 2629, 2868, 3574, 3585, 4780, 5258, 5361, 7148, 7170, 7887, 8935, 10516, 10722, 13145, 14340, 15774, 17870, 19657, 21444, 26290, 26805, 31548, 35740, 39314, 39435, 52580, 53610, 58971, 78628, 78870, 98285, 107220, 117942, 157740, 196570, 235884, 294855, 393140, 427093, 589710, 854186, 1179420, 1281279, 1708372, 2135465, 2562558, 4270930, 4698023, 5125116, 6406395, 8541860, 9396046, 12812790, 14094069, 18792092, 23490115, 25625580, 28188138, 46980230, 56376276, 70470345, 93960460, 140940690, 281881380]

約数ペア:

[(1, 281881380), (2, 140940690), (3, 93960460), (4, 70470345), (5, 56376276), (6, 46980230), (10, 28188138), (11, 25625580), (12, 23490115), (15, 18792092), (20, 14094069), (22, 12812790), (30, 9396046), (33, 8541860), (44, 6406395), (55, 5125116), (60, 4698023), (66, 4270930), (110, 2562558), (132, 2135465), (165, 1708372), (220, 1281279), (239, 1179420), (330, 854186), (478, 589710), (660, 427093), (717, 393140), (956, 294855), (1195, 235884), (1434, 196570), (1787, 157740), (2390, 117942), (2629, 107220), (2868, 98285), (3574, 78870), (3585, 78628), (4780, 58971), (5258, 53610), (5361, 52580), (7148, 39435), (7170, 39314), (7887, 35740), (8935, 31548), (10516, 26805), (10722, 26290), (13145, 21444), (14340, 19657), (15774, 17870)]