278941680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1621}}^1$

素因数の和:1879

約数の個数: 120

約数和(自身を含む): 941279040

約数和(自身を除く): 662337360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1195, 1434, 1621, 1912, 2151, 2390, 2868, 3242, 3585, 3824, 4302, 4780, 4863, 5736, 6484, 7170, 8105, 8604, 9560, 9726, 10755, 11472, 12968, 14340, 14589, 16210, 17208, 19120, 19452, 21510, 24315, 25936, 28680, 29178, 32420, 34416, 38904, 43020, 48630, 57360, 58356, 64840, 72945, 77808, 86040, 97260, 116712, 129680, 145890, 172080, 194520, 233424, 291780, 387419, 389040, 583560, 774838, 1162257, 1167120, 1549676, 1937095, 2324514, 3099352, 3486771, 3874190, 4649028, 5811285, 6198704, 6973542, 7748380, 9298056, 11622570, 13947084, 15496760, 17433855, 18596112, 23245140, 27894168, 30993520, 34867710, 46490280, 55788336, 69735420, 92980560, 139470840, 278941680]

約数ペア:

[(1, 278941680), (2, 139470840), (3, 92980560), (4, 69735420), (5, 55788336), (6, 46490280), (8, 34867710), (9, 30993520), (10, 27894168), (12, 23245140), (15, 18596112), (16, 17433855), (18, 15496760), (20, 13947084), (24, 11622570), (30, 9298056), (36, 7748380), (40, 6973542), (45, 6198704), (48, 5811285), (60, 4649028), (72, 3874190), (80, 3486771), (90, 3099352), (120, 2324514), (144, 1937095), (180, 1549676), (239, 1167120), (240, 1162257), (360, 774838), (478, 583560), (717, 389040), (720, 387419), (956, 291780), (1195, 233424), (1434, 194520), (1621, 172080), (1912, 145890), (2151, 129680), (2390, 116712), (2868, 97260), (3242, 86040), (3585, 77808), (3824, 72945), (4302, 64840), (4780, 58356), (4863, 57360), (5736, 48630), (6484, 43020), (7170, 38904), (8105, 34416), (8604, 32420), (9560, 29178), (9726, 28680), (10755, 25936), (11472, 24315), (12968, 21510), (14340, 19452), (14589, 19120), (16210, 17208)]