28555440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2767}}^1$

素因数の和:2826

約数の個数: 80

約数和(自身を含む): 90613248

約数和(自身を除く): 62057808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 2767, 3440, 5160, 5534, 8301, 10320, 11068, 13835, 16602, 22136, 27670, 33204, 41505, 44272, 55340, 66408, 83010, 110680, 118981, 132816, 166020, 221360, 237962, 332040, 356943, 475924, 594905, 664080, 713886, 951848, 1189810, 1427772, 1784715, 1903696, 2379620, 2855544, 3569430, 4759240, 5711088, 7138860, 9518480, 14277720, 28555440]

約数ペア:

[(1, 28555440), (2, 14277720), (3, 9518480), (4, 7138860), (5, 5711088), (6, 4759240), (8, 3569430), (10, 2855544), (12, 2379620), (15, 1903696), (16, 1784715), (20, 1427772), (24, 1189810), (30, 951848), (40, 713886), (43, 664080), (48, 594905), (60, 475924), (80, 356943), (86, 332040), (120, 237962), (129, 221360), (172, 166020), (215, 132816), (240, 118981), (258, 110680), (344, 83010), (430, 66408), (516, 55340), (645, 44272), (688, 41505), (860, 33204), (1032, 27670), (1290, 22136), (1720, 16602), (2064, 13835), (2580, 11068), (2767, 10320), (3440, 8301), (5160, 5534)]