2912278120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1\times {\mathrm{1877}}^1$

素因数の和:2458

約数の個数: 64

約数和(自身を含む): 6652627200

約数和(自身を除く): 3740349080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 491, 632, 790, 982, 1580, 1877, 1964, 2455, 3160, 3754, 3928, 4910, 7508, 9385, 9820, 15016, 18770, 19640, 37540, 38789, 75080, 77578, 148283, 155156, 193945, 296566, 310312, 387890, 593132, 741415, 775780, 921607, 1186264, 1482830, 1551560, 1843214, 2965660, 3686428, 4608035, 5931320, 7372856, 9216070, 18432140, 36864280, 72806953, 145613906, 291227812, 364034765, 582455624, 728069530, 1456139060, 2912278120]

約数ペア:

[(1, 2912278120), (2, 1456139060), (4, 728069530), (5, 582455624), (8, 364034765), (10, 291227812), (20, 145613906), (40, 72806953), (79, 36864280), (158, 18432140), (316, 9216070), (395, 7372856), (491, 5931320), (632, 4608035), (790, 3686428), (982, 2965660), (1580, 1843214), (1877, 1551560), (1964, 1482830), (2455, 1186264), (3160, 921607), (3754, 775780), (3928, 741415), (4910, 593132), (7508, 387890), (9385, 310312), (9820, 296566), (15016, 193945), (18770, 155156), (19640, 148283), (37540, 77578), (38789, 75080)]