621567240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1093}}^1$

素因数の和:1791

約数の個数: 128

約数和(自身を含む): 2136188160

約数和(自身を除く): 1514620920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 677, 840, 1093, 1354, 2031, 2186, 2708, 3279, 3385, 4062, 4372, 4739, 5416, 5465, 6558, 6770, 7651, 8124, 8744, 9478, 10155, 10930, 13116, 13540, 14217, 15302, 16248, 16395, 18956, 20310, 21860, 22953, 23695, 26232, 27080, 28434, 30604, 32790, 37912, 38255, 40620, 43720, 45906, 47390, 56868, 61208, 65580, 71085, 76510, 81240, 91812, 94780, 113736, 114765, 131160, 142170, 153020, 183624, 189560, 229530, 284340, 306040, 459060, 568680, 739961, 918120, 1479922, 2219883, 2959844, 3699805, 4439766, 5179727, 5919688, 7399610, 8879532, 10359454, 11099415, 14799220, 15539181, 17759064, 20718908, 22198830, 25898635, 29598440, 31078362, 41437816, 44397660, 51797270, 62156724, 77695905, 88795320, 103594540, 124313448, 155391810, 207189080, 310783620, 621567240]

約数ペア:

[(1, 621567240), (2, 310783620), (3, 207189080), (4, 155391810), (5, 124313448), (6, 103594540), (7, 88795320), (8, 77695905), (10, 62156724), (12, 51797270), (14, 44397660), (15, 41437816), (20, 31078362), (21, 29598440), (24, 25898635), (28, 22198830), (30, 20718908), (35, 17759064), (40, 15539181), (42, 14799220), (56, 11099415), (60, 10359454), (70, 8879532), (84, 7399610), (105, 5919688), (120, 5179727), (140, 4439766), (168, 3699805), (210, 2959844), (280, 2219883), (420, 1479922), (677, 918120), (840, 739961), (1093, 568680), (1354, 459060), (2031, 306040), (2186, 284340), (2708, 229530), (3279, 189560), (3385, 183624), (4062, 153020), (4372, 142170), (4739, 131160), (5416, 114765), (5465, 113736), (6558, 94780), (6770, 91812), (7651, 81240), (8124, 76510), (8744, 71085), (9478, 65580), (10155, 61208), (10930, 56868), (13116, 47390), (13540, 45906), (14217, 43720), (15302, 40620), (16248, 38255), (16395, 37912), (18956, 32790), (20310, 30604), (21860, 28434), (22953, 27080), (23695, 26232)]