12819960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 42120000

約数和(自身を除く): 29300040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 180, 239, 298, 360, 447, 478, 596, 717, 745, 894, 956, 1192, 1195, 1341, 1434, 1490, 1788, 1912, 2151, 2235, 2390, 2682, 2868, 2980, 3576, 3585, 4302, 4470, 4780, 5364, 5736, 5960, 6705, 7170, 8604, 8940, 9560, 10728, 10755, 13410, 14340, 17208, 17880, 21510, 26820, 28680, 35611, 43020, 53640, 71222, 86040, 106833, 142444, 178055, 213666, 284888, 320499, 356110, 427332, 534165, 640998, 712220, 854664, 1068330, 1281996, 1424440, 1602495, 2136660, 2563992, 3204990, 4273320, 6409980, 12819960]

約数ペア:

[(1, 12819960), (2, 6409980), (3, 4273320), (4, 3204990), (5, 2563992), (6, 2136660), (8, 1602495), (9, 1424440), (10, 1281996), (12, 1068330), (15, 854664), (18, 712220), (20, 640998), (24, 534165), (30, 427332), (36, 356110), (40, 320499), (45, 284888), (60, 213666), (72, 178055), (90, 142444), (120, 106833), (149, 86040), (180, 71222), (239, 53640), (298, 43020), (360, 35611), (447, 28680), (478, 26820), (596, 21510), (717, 17880), (745, 17208), (894, 14340), (956, 13410), (1192, 10755), (1195, 10728), (1341, 9560), (1434, 8940), (1490, 8604), (1788, 7170), (1912, 6705), (2151, 5960), (2235, 5736), (2390, 5364), (2682, 4780), (2868, 4470), (2980, 4302), (3576, 3585)]