15574520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 38435040

約数和(自身を除く): 22860520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 491, 520, 610, 793, 982, 1220, 1586, 1964, 2440, 2455, 3172, 3928, 3965, 4910, 6344, 6383, 7930, 9820, 12766, 15860, 19640, 25532, 29951, 31720, 31915, 51064, 59902, 63830, 119804, 127660, 149755, 239608, 255320, 299510, 389363, 599020, 778726, 1198040, 1557452, 1946815, 3114904, 3893630, 7787260, 15574520]

約数ペア:

[(1, 15574520), (2, 7787260), (4, 3893630), (5, 3114904), (8, 1946815), (10, 1557452), (13, 1198040), (20, 778726), (26, 599020), (40, 389363), (52, 299510), (61, 255320), (65, 239608), (104, 149755), (122, 127660), (130, 119804), (244, 63830), (260, 59902), (305, 51064), (488, 31915), (491, 31720), (520, 29951), (610, 25532), (793, 19640), (982, 15860), (1220, 12766), (1586, 9820), (1964, 7930), (2440, 6383), (2455, 6344), (3172, 4910), (3928, 3965)]