210255240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2623

約数の個数: 128

約数和(自身を含む): 692375040

約数和(自身を除く): 482119800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2543, 2756, 3180, 3445, 4134, 5086, 5512, 6360, 6890, 7629, 8268, 10172, 10335, 12715, 13780, 15258, 16536, 20344, 20670, 25430, 27560, 30516, 33059, 38145, 41340, 50860, 61032, 66118, 76290, 82680, 99177, 101720, 132236, 134779, 152580, 165295, 198354, 264472, 269558, 305160, 330590, 396708, 404337, 495885, 539116, 661180, 673895, 793416, 808674, 991770, 1078232, 1322360, 1347790, 1617348, 1752127, 1983540, 2021685, 2695580, 3234696, 3504254, 3967080, 4043370, 5256381, 5391160, 7008508, 8086740, 8760635, 10512762, 14017016, 16173480, 17521270, 21025524, 26281905, 35042540, 42051048, 52563810, 70085080, 105127620, 210255240]

約数ペア:

[(1, 210255240), (2, 105127620), (3, 70085080), (4, 52563810), (5, 42051048), (6, 35042540), (8, 26281905), (10, 21025524), (12, 17521270), (13, 16173480), (15, 14017016), (20, 10512762), (24, 8760635), (26, 8086740), (30, 7008508), (39, 5391160), (40, 5256381), (52, 4043370), (53, 3967080), (60, 3504254), (65, 3234696), (78, 2695580), (104, 2021685), (106, 1983540), (120, 1752127), (130, 1617348), (156, 1347790), (159, 1322360), (195, 1078232), (212, 991770), (260, 808674), (265, 793416), (312, 673895), (318, 661180), (390, 539116), (424, 495885), (520, 404337), (530, 396708), (636, 330590), (689, 305160), (780, 269558), (795, 264472), (1060, 198354), (1272, 165295), (1378, 152580), (1560, 134779), (1590, 132236), (2067, 101720), (2120, 99177), (2543, 82680), (2756, 76290), (3180, 66118), (3445, 61032), (4134, 50860), (5086, 41340), (5512, 38145), (6360, 33059), (6890, 30516), (7629, 27560), (8268, 25430), (10172, 20670), (10335, 20344), (12715, 16536), (13780, 15258)]