661564080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{918839}}^1$

素因数の和:918858

約数の個数: 60

約数和(自身を含む): 2221755120

約数和(自身を除く): 1560191040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 918839, 1837678, 2756517, 3675356, 4594195, 5513034, 7350712, 8269551, 9188390, 11026068, 13782585, 14701424, 16539102, 18376780, 22052136, 27565170, 33078204, 36753560, 41347755, 44104272, 55130340, 66156408, 73507120, 82695510, 110260680, 132312816, 165391020, 220521360, 330782040, 661564080]

約数ペア:

[(1, 661564080), (2, 330782040), (3, 220521360), (4, 165391020), (5, 132312816), (6, 110260680), (8, 82695510), (9, 73507120), (10, 66156408), (12, 55130340), (15, 44104272), (16, 41347755), (18, 36753560), (20, 33078204), (24, 27565170), (30, 22052136), (36, 18376780), (40, 16539102), (45, 14701424), (48, 13782585), (60, 11026068), (72, 9188390), (80, 8269551), (90, 7350712), (120, 5513034), (144, 4594195), (180, 3675356), (240, 2756517), (360, 1837678), (720, 918839)]