1285684080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{172807}}^1$

素因数の和:172854

約数の個数: 80

約数和(自身を含む): 4114212864

約数和(自身を除く): 2828528784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 172807, 345614, 518421, 691228, 864035, 1036842, 1382456, 1728070, 2073684, 2592105, 2764912, 3456140, 4147368, 5184210, 5357017, 6912280, 8294736, 10368420, 10714034, 13824560, 16071051, 20736840, 21428068, 26785085, 32142102, 41473680, 42856136, 53570170, 64284204, 80355255, 85712272, 107140340, 128568408, 160710510, 214280680, 257136816, 321421020, 428561360, 642842040, 1285684080]

約数ペア:

[(1, 1285684080), (2, 642842040), (3, 428561360), (4, 321421020), (5, 257136816), (6, 214280680), (8, 160710510), (10, 128568408), (12, 107140340), (15, 85712272), (16, 80355255), (20, 64284204), (24, 53570170), (30, 42856136), (31, 41473680), (40, 32142102), (48, 26785085), (60, 21428068), (62, 20736840), (80, 16071051), (93, 13824560), (120, 10714034), (124, 10368420), (155, 8294736), (186, 6912280), (240, 5357017), (248, 5184210), (310, 4147368), (372, 3456140), (465, 2764912), (496, 2592105), (620, 2073684), (744, 1728070), (930, 1382456), (1240, 1036842), (1488, 864035), (1860, 691228), (2480, 518421), (3720, 345614), (7440, 172807)]