15876840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 55883520

約数和(自身を除く): 40006680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 461, 492, 574, 615, 820, 840, 861, 922, 984, 1148, 1230, 1383, 1435, 1640, 1722, 1844, 2296, 2305, 2460, 2766, 2870, 3227, 3444, 3688, 4305, 4610, 4920, 5532, 5740, 6454, 6888, 6915, 8610, 9220, 9681, 11064, 11480, 12908, 13830, 16135, 17220, 18440, 18901, 19362, 25816, 27660, 32270, 34440, 37802, 38724, 48405, 55320, 56703, 64540, 75604, 77448, 94505, 96810, 113406, 129080, 132307, 151208, 189010, 193620, 226812, 264614, 283515, 378020, 387240, 396921, 453624, 529228, 567030, 661535, 756040, 793842, 1058456, 1134060, 1323070, 1587684, 1984605, 2268120, 2646140, 3175368, 3969210, 5292280, 7938420, 15876840]

約数ペア:

[(1, 15876840), (2, 7938420), (3, 5292280), (4, 3969210), (5, 3175368), (6, 2646140), (7, 2268120), (8, 1984605), (10, 1587684), (12, 1323070), (14, 1134060), (15, 1058456), (20, 793842), (21, 756040), (24, 661535), (28, 567030), (30, 529228), (35, 453624), (40, 396921), (41, 387240), (42, 378020), (56, 283515), (60, 264614), (70, 226812), (82, 193620), (84, 189010), (105, 151208), (120, 132307), (123, 129080), (140, 113406), (164, 96810), (168, 94505), (205, 77448), (210, 75604), (246, 64540), (280, 56703), (287, 55320), (328, 48405), (410, 38724), (420, 37802), (461, 34440), (492, 32270), (574, 27660), (615, 25816), (820, 19362), (840, 18901), (861, 18440), (922, 17220), (984, 16135), (1148, 13830), (1230, 12908), (1383, 11480), (1435, 11064), (1640, 9681), (1722, 9220), (1844, 8610), (2296, 6915), (2305, 6888), (2460, 6454), (2766, 5740), (2870, 5532), (3227, 4920), (3444, 4610), (3688, 4305)]