312811380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1038

約数の個数: 144

約数和(自身を含む): 1088855040

約数和(自身を除く): 776043660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 409, 420, 607, 630, 818, 1214, 1227, 1260, 1636, 1821, 2045, 2428, 2454, 2863, 3035, 3642, 3681, 4090, 4249, 4908, 5463, 5726, 6070, 6135, 7284, 7362, 8180, 8498, 8589, 9105, 10926, 11452, 12140, 12270, 12747, 14315, 14724, 16996, 17178, 18210, 18405, 21245, 21852, 24540, 25494, 25767, 27315, 28630, 34356, 36420, 36810, 38241, 42490, 42945, 50988, 51534, 54630, 57260, 63735, 73620, 76482, 84980, 85890, 103068, 109260, 127470, 128835, 152964, 171780, 191205, 248263, 254940, 257670, 382410, 496526, 515340, 744789, 764820, 993052, 1241315, 1489578, 1737841, 2234367, 2482630, 2979156, 3475682, 3723945, 4468734, 4965260, 5213523, 6951364, 7447890, 8689205, 8937468, 10427046, 11171835, 14895780, 15640569, 17378410, 20854092, 22343670, 26067615, 31281138, 34756820, 44687340, 52135230, 62562276, 78202845, 104270460, 156405690, 312811380]

約数ペア:

[(1, 312811380), (2, 156405690), (3, 104270460), (4, 78202845), (5, 62562276), (6, 52135230), (7, 44687340), (9, 34756820), (10, 31281138), (12, 26067615), (14, 22343670), (15, 20854092), (18, 17378410), (20, 15640569), (21, 14895780), (28, 11171835), (30, 10427046), (35, 8937468), (36, 8689205), (42, 7447890), (45, 6951364), (60, 5213523), (63, 4965260), (70, 4468734), (84, 3723945), (90, 3475682), (105, 2979156), (126, 2482630), (140, 2234367), (180, 1737841), (210, 1489578), (252, 1241315), (315, 993052), (409, 764820), (420, 744789), (607, 515340), (630, 496526), (818, 382410), (1214, 257670), (1227, 254940), (1260, 248263), (1636, 191205), (1821, 171780), (2045, 152964), (2428, 128835), (2454, 127470), (2863, 109260), (3035, 103068), (3642, 85890), (3681, 84980), (4090, 76482), (4249, 73620), (4908, 63735), (5463, 57260), (5726, 54630), (6070, 51534), (6135, 50988), (7284, 42945), (7362, 42490), (8180, 38241), (8498, 36810), (8589, 36420), (9105, 34356), (10926, 28630), (11452, 27315), (12140, 25767), (12270, 25494), (12747, 24540), (14315, 21852), (14724, 21245), (16996, 18405), (17178, 18210)]