15691873960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:1211

約数の個数: 128

約数和(自身を含む): 40680921600

約数和(自身を除く): 24989047640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 409, 521, 526, 818, 1042, 1052, 1315, 1636, 1841, 2045, 2084, 2104, 2605, 2630, 2863, 3272, 3647, 3682, 4090, 4168, 5210, 5260, 5726, 7294, 7364, 8180, 9205, 10420, 10520, 11452, 14315, 14588, 14728, 16360, 18235, 18410, 20840, 22904, 28630, 29176, 36470, 36820, 57260, 72940, 73640, 107567, 114520, 137023, 145880, 213089, 215134, 274046, 426178, 430268, 537835, 548092, 685115, 752969, 852356, 860536, 959161, 1065445, 1075670, 1096184, 1370230, 1491623, 1505938, 1704712, 1918322, 2130890, 2151340, 2740460, 2983246, 3011876, 3764845, 3836644, 4261780, 4302680, 4795805, 5480920, 5966492, 6023752, 7458115, 7529690, 7673288, 8523560, 9591610, 11932984, 14916230, 15059380, 19183220, 29832460, 30118760, 38366440, 56042407, 59664920, 112084814, 224169628, 280212035, 392296849, 448339256, 560424070, 784593698, 1120848140, 1569187396, 1961484245, 2241696280, 3138374792, 3922968490, 7845936980, 15691873960]

約数ペア:

[(1, 15691873960), (2, 7845936980), (4, 3922968490), (5, 3138374792), (7, 2241696280), (8, 1961484245), (10, 1569187396), (14, 1120848140), (20, 784593698), (28, 560424070), (35, 448339256), (40, 392296849), (56, 280212035), (70, 224169628), (140, 112084814), (263, 59664920), (280, 56042407), (409, 38366440), (521, 30118760), (526, 29832460), (818, 19183220), (1042, 15059380), (1052, 14916230), (1315, 11932984), (1636, 9591610), (1841, 8523560), (2045, 7673288), (2084, 7529690), (2104, 7458115), (2605, 6023752), (2630, 5966492), (2863, 5480920), (3272, 4795805), (3647, 4302680), (3682, 4261780), (4090, 3836644), (4168, 3764845), (5210, 3011876), (5260, 2983246), (5726, 2740460), (7294, 2151340), (7364, 2130890), (8180, 1918322), (9205, 1704712), (10420, 1505938), (10520, 1491623), (11452, 1370230), (14315, 1096184), (14588, 1075670), (14728, 1065445), (16360, 959161), (18235, 860536), (18410, 852356), (20840, 752969), (22904, 685115), (28630, 548092), (29176, 537835), (36470, 430268), (36820, 426178), (57260, 274046), (72940, 215134), (73640, 213089), (107567, 145880), (114520, 137023)]