668701620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{119839}}^1$

素因数の和:119885

約数の個数: 72

約数和(自身を含む): 2093844480

約数和(自身を除く): 1425142860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 119839, 239678, 359517, 479356, 599195, 719034, 1078551, 1198390, 1438068, 1797585, 2157102, 2396780, 3595170, 3715009, 4314204, 5392755, 7190340, 7430018, 10785510, 11145027, 14860036, 18575045, 21571020, 22290054, 33435081, 37150090, 44580108, 55725135, 66870162, 74300180, 111450270, 133740324, 167175405, 222900540, 334350810, 668701620]

約数ペア:

[(1, 668701620), (2, 334350810), (3, 222900540), (4, 167175405), (5, 133740324), (6, 111450270), (9, 74300180), (10, 66870162), (12, 55725135), (15, 44580108), (18, 37150090), (20, 33435081), (30, 22290054), (31, 21571020), (36, 18575045), (45, 14860036), (60, 11145027), (62, 10785510), (90, 7430018), (93, 7190340), (124, 5392755), (155, 4314204), (180, 3715009), (186, 3595170), (279, 2396780), (310, 2157102), (372, 1797585), (465, 1438068), (558, 1198390), (620, 1078551), (930, 719034), (1116, 599195), (1395, 479356), (1860, 359517), (2790, 239678), (5580, 119839)]