30746040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19709}}^1$

素因数の和:19736

約数の個数: 64

約数和(自身を含む): 99338400

約数和(自身を除く): 68592360

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, 19709, 39418, 59127, 78836, 98545, 118254, 157672, 197090, 236508, 256217, 295635, 394180, 473016, 512434, 591270, 768651, 788360, 1024868, 1182540, 1281085, 1537302, 2049736, 2365080, 2562170, 3074604, 3843255, 5124340, 6149208, 7686510, 10248680, 15373020, 30746040]

約数ペア:

[(1, 30746040), (2, 15373020), (3, 10248680), (4, 7686510), (5, 6149208), (6, 5124340), (8, 3843255), (10, 3074604), (12, 2562170), (13, 2365080), (15, 2049736), (20, 1537302), (24, 1281085), (26, 1182540), (30, 1024868), (39, 788360), (40, 768651), (52, 591270), (60, 512434), (65, 473016), (78, 394180), (104, 295635), (120, 256217), (130, 236508), (156, 197090), (195, 157672), (260, 118254), (312, 98545), (390, 78836), (520, 59127), (780, 39418), (1560, 19709)]