128680320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67021}}^1$

素因数の和:67043

約数の個数: 64

約数和(自身を含む): 410174640

約数和(自身を除く): 281494320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 67021, 134042, 201063, 268084, 335105, 402126, 536168, 670210, 804252, 1005315, 1072336, 1340420, 1608504, 2010630, 2144672, 2680840, 3217008, 4021260, 4289344, 5361680, 6434016, 8042520, 8578688, 10723360, 12868032, 16085040, 21446720, 25736064, 32170080, 42893440, 64340160, 128680320]

約数ペア:

[(1, 128680320), (2, 64340160), (3, 42893440), (4, 32170080), (5, 25736064), (6, 21446720), (8, 16085040), (10, 12868032), (12, 10723360), (15, 8578688), (16, 8042520), (20, 6434016), (24, 5361680), (30, 4289344), (32, 4021260), (40, 3217008), (48, 2680840), (60, 2144672), (64, 2010630), (80, 1608504), (96, 1340420), (120, 1072336), (128, 1005315), (160, 804252), (192, 670210), (240, 536168), (320, 402126), (384, 335105), (480, 268084), (640, 201063), (960, 134042), (1920, 67021)]