51387960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32941}}^1$

素因数の和:32968

約数の個数: 64

約数和(自身を含む): 166027680

約数和(自身を除く): 114639720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 32941, 65882, 98823, 131764, 164705, 197646, 263528, 329410, 395292, 428233, 494115, 658820, 790584, 856466, 988230, 1284699, 1317640, 1712932, 1976460, 2141165, 2569398, 3425864, 3952920, 4282330, 5138796, 6423495, 8564660, 10277592, 12846990, 17129320, 25693980, 51387960]

約数ペア:

[(1, 51387960), (2, 25693980), (3, 17129320), (4, 12846990), (5, 10277592), (6, 8564660), (8, 6423495), (10, 5138796), (12, 4282330), (13, 3952920), (15, 3425864), (20, 2569398), (24, 2141165), (26, 1976460), (30, 1712932), (39, 1317640), (40, 1284699), (52, 988230), (60, 856466), (65, 790584), (78, 658820), (104, 494115), (120, 428233), (130, 395292), (156, 329410), (195, 263528), (260, 197646), (312, 164705), (390, 131764), (520, 98823), (780, 65882), (1560, 32941)]