531638520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1627}}^1$

素因数の和:2037

約数の個数: 128

約数和(自身を含む): 1828569600

約数和(自身を除く): 1296931080

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, 389, 420, 778, 840, 1167, 1556, 1627, 1945, 2334, 2723, 3112, 3254, 3890, 4668, 4881, 5446, 5835, 6508, 7780, 8135, 8169, 9336, 9762, 10892, 11389, 11670, 13016, 13615, 15560, 16270, 16338, 19524, 21784, 22778, 23340, 24405, 27230, 32540, 32676, 34167, 39048, 40845, 45556, 46680, 48810, 54460, 56945, 65080, 65352, 68334, 81690, 91112, 97620, 108920, 113890, 136668, 163380, 170835, 195240, 227780, 273336, 326760, 341670, 455560, 632903, 683340, 1265806, 1366680, 1898709, 2531612, 3164515, 3797418, 4430321, 5063224, 6329030, 7594836, 8860642, 9493545, 12658060, 13290963, 15189672, 17721284, 18987090, 22151605, 25316120, 26581926, 35442568, 37974180, 44303210, 53163852, 66454815, 75948360, 88606420, 106327704, 132909630, 177212840, 265819260, 531638520]

約数ペア:

[(1, 531638520), (2, 265819260), (3, 177212840), (4, 132909630), (5, 106327704), (6, 88606420), (7, 75948360), (8, 66454815), (10, 53163852), (12, 44303210), (14, 37974180), (15, 35442568), (20, 26581926), (21, 25316120), (24, 22151605), (28, 18987090), (30, 17721284), (35, 15189672), (40, 13290963), (42, 12658060), (56, 9493545), (60, 8860642), (70, 7594836), (84, 6329030), (105, 5063224), (120, 4430321), (140, 3797418), (168, 3164515), (210, 2531612), (280, 1898709), (389, 1366680), (420, 1265806), (778, 683340), (840, 632903), (1167, 455560), (1556, 341670), (1627, 326760), (1945, 273336), (2334, 227780), (2723, 195240), (3112, 170835), (3254, 163380), (3890, 136668), (4668, 113890), (4881, 108920), (5446, 97620), (5835, 91112), (6508, 81690), (7780, 68334), (8135, 65352), (8169, 65080), (9336, 56945), (9762, 54460), (10892, 48810), (11389, 46680), (11670, 45556), (13016, 40845), (13615, 39048), (15560, 34167), (16270, 32676), (16338, 32540), (19524, 27230), (21784, 24405), (22778, 23340)]