315037840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{302921}}^1$

素因数の和:302947

約数の個数: 40

約数和(自身を含む): 788808888

約数和(自身を除く): 473771048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 302921, 605842, 1211684, 1514605, 2423368, 3029210, 3937973, 4846736, 6058420, 7875946, 12116840, 15751892, 19689865, 24233680, 31503784, 39379730, 63007568, 78759460, 157518920, 315037840]

約数ペア:

[(1, 315037840), (2, 157518920), (4, 78759460), (5, 63007568), (8, 39379730), (10, 31503784), (13, 24233680), (16, 19689865), (20, 15751892), (26, 12116840), (40, 7875946), (52, 6058420), (65, 4846736), (80, 3937973), (104, 3029210), (130, 2423368), (208, 1514605), (260, 1211684), (520, 605842), (1040, 302921)]