12608680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{919}}^1$

素因数の和:951

約数の個数: 64

約数和(自身を含む): 33120000

約数和(自身を除く): 20511320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 919, 980, 1372, 1715, 1838, 1960, 2744, 3430, 3676, 4595, 6433, 6860, 7352, 9190, 12866, 13720, 18380, 25732, 32165, 36760, 45031, 51464, 64330, 90062, 128660, 180124, 225155, 257320, 315217, 360248, 450310, 630434, 900620, 1260868, 1576085, 1801240, 2521736, 3152170, 6304340, 12608680]

約数ペア:

[(1, 12608680), (2, 6304340), (4, 3152170), (5, 2521736), (7, 1801240), (8, 1576085), (10, 1260868), (14, 900620), (20, 630434), (28, 450310), (35, 360248), (40, 315217), (49, 257320), (56, 225155), (70, 180124), (98, 128660), (140, 90062), (196, 64330), (245, 51464), (280, 45031), (343, 36760), (392, 32165), (490, 25732), (686, 18380), (919, 13720), (980, 12866), (1372, 9190), (1715, 7352), (1838, 6860), (1960, 6433), (2744, 4595), (3430, 3676)]