1513720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 3810240

約数和(自身を除く): 2296520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 71, 82, 104, 130, 142, 164, 205, 260, 284, 328, 355, 410, 520, 533, 568, 710, 820, 923, 1066, 1420, 1640, 1846, 2132, 2665, 2840, 2911, 3692, 4264, 4615, 5330, 5822, 7384, 9230, 10660, 11644, 14555, 18460, 21320, 23288, 29110, 36920, 37843, 58220, 75686, 116440, 151372, 189215, 302744, 378430, 756860, 1513720]

約数ペア:

[(1, 1513720), (2, 756860), (4, 378430), (5, 302744), (8, 189215), (10, 151372), (13, 116440), (20, 75686), (26, 58220), (40, 37843), (41, 36920), (52, 29110), (65, 23288), (71, 21320), (82, 18460), (104, 14555), (130, 11644), (142, 10660), (164, 9230), (205, 7384), (260, 5822), (284, 5330), (328, 4615), (355, 4264), (410, 3692), (520, 2911), (533, 2840), (568, 2665), (710, 2132), (820, 1846), (923, 1640), (1066, 1420)]