231567320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{2243}}^1$

素因数の和:2372

約数の個数: 64

約数和(自身を含む): 545292000

約数和(自身を除く): 313724680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 890, 1160, 1780, 2243, 2581, 3560, 4486, 5162, 8972, 10324, 11215, 12905, 17944, 20648, 22430, 25810, 44860, 51620, 65047, 89720, 103240, 130094, 199627, 260188, 325235, 399254, 520376, 650470, 798508, 998135, 1300940, 1597016, 1996270, 2601880, 3992540, 5789183, 7985080, 11578366, 23156732, 28945915, 46313464, 57891830, 115783660, 231567320]

約数ペア:

[(1, 231567320), (2, 115783660), (4, 57891830), (5, 46313464), (8, 28945915), (10, 23156732), (20, 11578366), (29, 7985080), (40, 5789183), (58, 3992540), (89, 2601880), (116, 1996270), (145, 1597016), (178, 1300940), (232, 998135), (290, 798508), (356, 650470), (445, 520376), (580, 399254), (712, 325235), (890, 260188), (1160, 199627), (1780, 130094), (2243, 103240), (2581, 89720), (3560, 65047), (4486, 51620), (5162, 44860), (8972, 25810), (10324, 22430), (11215, 20648), (12905, 17944)]