15120680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6197}}^1$

素因数の和:6269

約数の個数: 32

約数和(自身を含む): 34584840

約数和(自身を除く): 19464160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6197, 12394, 24788, 30985, 49576, 61970, 123940, 247880, 378017, 756034, 1512068, 1890085, 3024136, 3780170, 7560340, 15120680]

約数ペア:

[(1, 15120680), (2, 7560340), (4, 3780170), (5, 3024136), (8, 1890085), (10, 1512068), (20, 756034), (40, 378017), (61, 247880), (122, 123940), (244, 61970), (305, 49576), (488, 30985), (610, 24788), (1220, 12394), (2440, 6197)]