170704840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 399706560

約数和(自身を除く): 229001720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 860, 1220, 1627, 1720, 2440, 2623, 3254, 5246, 6508, 8135, 10492, 13016, 13115, 16270, 20984, 26230, 32540, 52460, 65080, 69961, 99247, 104920, 139922, 198494, 279844, 349805, 396988, 496235, 559688, 699610, 793976, 992470, 1399220, 1984940, 2798440, 3969880, 4267621, 8535242, 17070484, 21338105, 34140968, 42676210, 85352420, 170704840]

約数ペア:

[(1, 170704840), (2, 85352420), (4, 42676210), (5, 34140968), (8, 21338105), (10, 17070484), (20, 8535242), (40, 4267621), (43, 3969880), (61, 2798440), (86, 1984940), (122, 1399220), (172, 992470), (215, 793976), (244, 699610), (305, 559688), (344, 496235), (430, 396988), (488, 349805), (610, 279844), (860, 198494), (1220, 139922), (1627, 104920), (1720, 99247), (2440, 69961), (2623, 65080), (3254, 52460), (5246, 32540), (6508, 26230), (8135, 20984), (10492, 16270), (13016, 13115)]