78514640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 193487616

約数和(自身を除く): 114972976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 601, 710, 920, 1136, 1202, 1420, 1633, 1840, 2404, 2840, 3005, 3266, 4808, 5680, 6010, 6532, 8165, 9616, 12020, 13064, 13823, 16330, 24040, 26128, 27646, 32660, 42671, 48080, 55292, 65320, 69115, 85342, 110584, 130640, 138230, 170684, 213355, 221168, 276460, 341368, 426710, 552920, 682736, 853420, 981433, 1105840, 1706840, 1962866, 3413680, 3925732, 4907165, 7851464, 9814330, 15702928, 19628660, 39257320, 78514640]

約数ペア:

[(1, 78514640), (2, 39257320), (4, 19628660), (5, 15702928), (8, 9814330), (10, 7851464), (16, 4907165), (20, 3925732), (23, 3413680), (40, 1962866), (46, 1706840), (71, 1105840), (80, 981433), (92, 853420), (115, 682736), (142, 552920), (184, 426710), (230, 341368), (284, 276460), (355, 221168), (368, 213355), (460, 170684), (568, 138230), (601, 130640), (710, 110584), (920, 85342), (1136, 69115), (1202, 65320), (1420, 55292), (1633, 48080), (1840, 42671), (2404, 32660), (2840, 27646), (3005, 26128), (3266, 24040), (4808, 16330), (5680, 13823), (6010, 13064), (6532, 12020), (8165, 9616)]