313819020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8761}}^1$

素因数の和:8975

約数の個数: 72

約数和(自身を含む): 956810400

約数和(自身を除く): 642991380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1990, 2388, 2985, 3582, 3980, 5970, 7164, 8761, 8955, 11940, 17522, 17910, 26283, 35044, 35820, 43805, 52566, 78849, 87610, 105132, 131415, 157698, 175220, 262830, 315396, 394245, 525660, 788490, 1576980, 1743439, 3486878, 5230317, 6973756, 8717195, 10460634, 15690951, 17434390, 20921268, 26151585, 31381902, 34868780, 52303170, 62763804, 78454755, 104606340, 156909510, 313819020]

約数ペア:

[(1, 313819020), (2, 156909510), (3, 104606340), (4, 78454755), (5, 62763804), (6, 52303170), (9, 34868780), (10, 31381902), (12, 26151585), (15, 20921268), (18, 17434390), (20, 15690951), (30, 10460634), (36, 8717195), (45, 6973756), (60, 5230317), (90, 3486878), (180, 1743439), (199, 1576980), (398, 788490), (597, 525660), (796, 394245), (995, 315396), (1194, 262830), (1791, 175220), (1990, 157698), (2388, 131415), (2985, 105132), (3582, 87610), (3980, 78849), (5970, 52566), (7164, 43805), (8761, 35820), (8955, 35044), (11940, 26283), (17522, 17910)]