79806480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25579}}^1$

素因数の和:25608

約数の個数: 80

約数和(自身を含む): 266441280

約数和(自身を除く): 186634800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25579, 51158, 76737, 102316, 127895, 153474, 204632, 255790, 306948, 332527, 383685, 409264, 511580, 613896, 665054, 767370, 997581, 1023160, 1227792, 1330108, 1534740, 1662635, 1995162, 2046320, 2660216, 3069480, 3325270, 3990324, 4987905, 5320432, 6138960, 6650540, 7980648, 9975810, 13301080, 15961296, 19951620, 26602160, 39903240, 79806480]

約数ペア:

[(1, 79806480), (2, 39903240), (3, 26602160), (4, 19951620), (5, 15961296), (6, 13301080), (8, 9975810), (10, 7980648), (12, 6650540), (13, 6138960), (15, 5320432), (16, 4987905), (20, 3990324), (24, 3325270), (26, 3069480), (30, 2660216), (39, 2046320), (40, 1995162), (48, 1662635), (52, 1534740), (60, 1330108), (65, 1227792), (78, 1023160), (80, 997581), (104, 767370), (120, 665054), (130, 613896), (156, 511580), (195, 409264), (208, 383685), (240, 332527), (260, 306948), (312, 255790), (390, 204632), (520, 153474), (624, 127895), (780, 102316), (1040, 76737), (1560, 51158), (3120, 25579)]