30200560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 76870080

約数和(自身を除く): 46669520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 409, 520, 568, 710, 818, 923, 1040, 1136, 1420, 1636, 1846, 2045, 2840, 3272, 3692, 4090, 4615, 5317, 5680, 6544, 7384, 8180, 9230, 10634, 14768, 16360, 18460, 21268, 26585, 29039, 32720, 36920, 42536, 53170, 58078, 73840, 85072, 106340, 116156, 145195, 212680, 232312, 290390, 377507, 425360, 464624, 580780, 755014, 1161560, 1510028, 1887535, 2323120, 3020056, 3775070, 6040112, 7550140, 15100280, 30200560]

約数ペア:

[(1, 30200560), (2, 15100280), (4, 7550140), (5, 6040112), (8, 3775070), (10, 3020056), (13, 2323120), (16, 1887535), (20, 1510028), (26, 1161560), (40, 755014), (52, 580780), (65, 464624), (71, 425360), (80, 377507), (104, 290390), (130, 232312), (142, 212680), (208, 145195), (260, 116156), (284, 106340), (355, 85072), (409, 73840), (520, 58078), (568, 53170), (710, 42536), (818, 36920), (923, 32720), (1040, 29039), (1136, 26585), (1420, 21268), (1636, 18460), (1846, 16360), (2045, 14768), (2840, 10634), (3272, 9230), (3692, 8180), (4090, 7384), (4615, 6544), (5317, 5680)]