1304920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 3304800

約数和(自身を除く): 1999880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 101, 136, 152, 170, 190, 202, 323, 340, 380, 404, 505, 646, 680, 760, 808, 1010, 1292, 1615, 1717, 1919, 2020, 2584, 3230, 3434, 3838, 4040, 6460, 6868, 7676, 8585, 9595, 12920, 13736, 15352, 17170, 19190, 32623, 34340, 38380, 65246, 68680, 76760, 130492, 163115, 260984, 326230, 652460, 1304920]

約数ペア:

[(1, 1304920), (2, 652460), (4, 326230), (5, 260984), (8, 163115), (10, 130492), (17, 76760), (19, 68680), (20, 65246), (34, 38380), (38, 34340), (40, 32623), (68, 19190), (76, 17170), (85, 15352), (95, 13736), (101, 12920), (136, 9595), (152, 8585), (170, 7676), (190, 6868), (202, 6460), (323, 4040), (340, 3838), (380, 3434), (404, 3230), (505, 2584), (646, 2020), (680, 1919), (760, 1717), (808, 1615), (1010, 1292)]