1281008160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{889589}}^1$

素因数の和:889610

約数の個数: 72

約数和(自身を含む): 4371445260

約数和(自身を除く): 3090437100

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 889589, 1779178, 2668767, 3558356, 4447945, 5337534, 7116712, 8006301, 8895890, 10675068, 13343835, 14233424, 16012602, 17791780, 21350136, 26687670, 28466848, 32025204, 35583560, 40031505, 42700272, 53375340, 64050408, 71167120, 80063010, 85400544, 106750680, 128100816, 142334240, 160126020, 213501360, 256201632, 320252040, 427002720, 640504080, 1281008160]

約数ペア:

[(1, 1281008160), (2, 640504080), (3, 427002720), (4, 320252040), (5, 256201632), (6, 213501360), (8, 160126020), (9, 142334240), (10, 128100816), (12, 106750680), (15, 85400544), (16, 80063010), (18, 71167120), (20, 64050408), (24, 53375340), (30, 42700272), (32, 40031505), (36, 35583560), (40, 32025204), (45, 28466848), (48, 26687670), (60, 21350136), (72, 17791780), (80, 16012602), (90, 14233424), (96, 13343835), (120, 10675068), (144, 8895890), (160, 8006301), (180, 7116712), (240, 5337534), (288, 4447945), (360, 3558356), (480, 2668767), (720, 1779178), (1440, 889589)]