15515880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 46828800

約数和(自身を除く): 31312920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 541, 717, 956, 1082, 1195, 1434, 1623, 1912, 2164, 2390, 2705, 2868, 3246, 3585, 4328, 4780, 5410, 5736, 6492, 7170, 8115, 9560, 10820, 12984, 14340, 16230, 21640, 28680, 32460, 64920, 129299, 258598, 387897, 517196, 646495, 775794, 1034392, 1292990, 1551588, 1939485, 2585980, 3103176, 3878970, 5171960, 7757940, 15515880]

約数ペア:

[(1, 15515880), (2, 7757940), (3, 5171960), (4, 3878970), (5, 3103176), (6, 2585980), (8, 1939485), (10, 1551588), (12, 1292990), (15, 1034392), (20, 775794), (24, 646495), (30, 517196), (40, 387897), (60, 258598), (120, 129299), (239, 64920), (478, 32460), (541, 28680), (717, 21640), (956, 16230), (1082, 14340), (1195, 12984), (1434, 10820), (1623, 9560), (1912, 8115), (2164, 7170), (2390, 6492), (2705, 5736), (2868, 5410), (3246, 4780), (3585, 4328)]