67687720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 157626000

約数和(自身を除く): 89938280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 149, 164, 205, 277, 298, 328, 410, 554, 596, 745, 820, 1108, 1192, 1385, 1490, 1640, 2216, 2770, 2980, 5540, 5960, 6109, 11080, 11357, 12218, 22714, 24436, 30545, 41273, 45428, 48872, 56785, 61090, 82546, 90856, 113570, 122180, 165092, 206365, 227140, 244360, 330184, 412730, 454280, 825460, 1650920, 1692193, 3384386, 6768772, 8460965, 13537544, 16921930, 33843860, 67687720]

約数ペア:

[(1, 67687720), (2, 33843860), (4, 16921930), (5, 13537544), (8, 8460965), (10, 6768772), (20, 3384386), (40, 1692193), (41, 1650920), (82, 825460), (149, 454280), (164, 412730), (205, 330184), (277, 244360), (298, 227140), (328, 206365), (410, 165092), (554, 122180), (596, 113570), (745, 90856), (820, 82546), (1108, 61090), (1192, 56785), (1385, 48872), (1490, 45428), (1640, 41273), (2216, 30545), (2770, 24436), (2980, 22714), (5540, 12218), (5960, 11357), (6109, 11080)]