131510960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3217}}^1$

素因数の和:3310

約数の個数: 80

約数和(自身を含む): 354340416

約数和(自身を除く): 222829456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 3217, 4088, 5110, 5840, 6434, 8176, 10220, 12868, 16085, 20440, 22519, 25736, 32170, 40880, 45038, 51472, 64340, 90076, 112595, 128680, 180152, 225190, 234841, 257360, 360304, 450380, 469682, 900760, 939364, 1174205, 1643887, 1801520, 1878728, 2348410, 3287774, 3757456, 4696820, 6575548, 8219435, 9393640, 13151096, 16438870, 18787280, 26302192, 32877740, 65755480, 131510960]

約数ペア:

[(1, 131510960), (2, 65755480), (4, 32877740), (5, 26302192), (7, 18787280), (8, 16438870), (10, 13151096), (14, 9393640), (16, 8219435), (20, 6575548), (28, 4696820), (35, 3757456), (40, 3287774), (56, 2348410), (70, 1878728), (73, 1801520), (80, 1643887), (112, 1174205), (140, 939364), (146, 900760), (280, 469682), (292, 450380), (365, 360304), (511, 257360), (560, 234841), (584, 225190), (730, 180152), (1022, 128680), (1168, 112595), (1460, 90076), (2044, 64340), (2555, 51472), (2920, 45038), (3217, 40880), (4088, 32170), (5110, 25736), (5840, 22519), (6434, 20440), (8176, 16085), (10220, 12868)]