1999128480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{96857}}^1$

素因数の和:96918

約数の個数: 96

約数和(自身を含む): 6443769024

約数和(自身を除く): 4444640544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 4128, 5160, 6880, 10320, 20640, 96857, 193714, 290571, 387428, 484285, 581142, 774856, 968570, 1162284, 1452855, 1549712, 1937140, 2324568, 2905710, 3099424, 3874280, 4164851, 4649136, 5811420, 7748560, 8329702, 9298272, 11622840, 12494553, 15497120, 16659404, 20824255, 23245680, 24989106, 33318808, 41648510, 46491360, 49978212, 62472765, 66637616, 83297020, 99956424, 124945530, 133275232, 166594040, 199912848, 249891060, 333188080, 399825696, 499782120, 666376160, 999564240, 1999128480]

約数ペア:

[(1, 1999128480), (2, 999564240), (3, 666376160), (4, 499782120), (5, 399825696), (6, 333188080), (8, 249891060), (10, 199912848), (12, 166594040), (15, 133275232), (16, 124945530), (20, 99956424), (24, 83297020), (30, 66637616), (32, 62472765), (40, 49978212), (43, 46491360), (48, 41648510), (60, 33318808), (80, 24989106), (86, 23245680), (96, 20824255), (120, 16659404), (129, 15497120), (160, 12494553), (172, 11622840), (215, 9298272), (240, 8329702), (258, 7748560), (344, 5811420), (430, 4649136), (480, 4164851), (516, 3874280), (645, 3099424), (688, 2905710), (860, 2324568), (1032, 1937140), (1290, 1549712), (1376, 1452855), (1720, 1162284), (2064, 968570), (2580, 774856), (3440, 581142), (4128, 484285), (5160, 387428), (6880, 290571), (10320, 193714), (20640, 96857)]