1279931040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3719}}^1$

素因数の和:3979

約数の個数: 144

約数和(自身を含む): 4387219200

約数和(自身を除く): 3107288160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 239, 240, 288, 360, 478, 480, 717, 720, 956, 1195, 1434, 1440, 1912, 2151, 2390, 2868, 3585, 3719, 3824, 4302, 4780, 5736, 7170, 7438, 7648, 8604, 9560, 10755, 11157, 11472, 14340, 14876, 17208, 18595, 19120, 21510, 22314, 22944, 28680, 29752, 33471, 34416, 37190, 38240, 43020, 44628, 55785, 57360, 59504, 66942, 68832, 74380, 86040, 89256, 111570, 114720, 119008, 133884, 148760, 167355, 172080, 178512, 223140, 267768, 297520, 334710, 344160, 357024, 446280, 535536, 595040, 669420, 888841, 892560, 1071072, 1338840, 1777682, 1785120, 2666523, 2677680, 3555364, 4444205, 5333046, 5355360, 7110728, 7999569, 8888410, 10666092, 13332615, 14221456, 15999138, 17776820, 21332184, 26665230, 28442912, 31998276, 35553640, 39997845, 42664368, 53330460, 63996552, 71107280, 79995690, 85328736, 106660920, 127993104, 142214560, 159991380, 213321840, 255986208, 319982760, 426643680, 639965520, 1279931040]

約数ペア:

[(1, 1279931040), (2, 639965520), (3, 426643680), (4, 319982760), (5, 255986208), (6, 213321840), (8, 159991380), (9, 142214560), (10, 127993104), (12, 106660920), (15, 85328736), (16, 79995690), (18, 71107280), (20, 63996552), (24, 53330460), (30, 42664368), (32, 39997845), (36, 35553640), (40, 31998276), (45, 28442912), (48, 26665230), (60, 21332184), (72, 17776820), (80, 15999138), (90, 14221456), (96, 13332615), (120, 10666092), (144, 8888410), (160, 7999569), (180, 7110728), (239, 5355360), (240, 5333046), (288, 4444205), (360, 3555364), (478, 2677680), (480, 2666523), (717, 1785120), (720, 1777682), (956, 1338840), (1195, 1071072), (1434, 892560), (1440, 888841), (1912, 669420), (2151, 595040), (2390, 535536), (2868, 446280), (3585, 357024), (3719, 344160), (3824, 334710), (4302, 297520), (4780, 267768), (5736, 223140), (7170, 178512), (7438, 172080), (7648, 167355), (8604, 148760), (9560, 133884), (10755, 119008), (11157, 114720), (11472, 111570), (14340, 89256), (14876, 86040), (17208, 74380), (18595, 68832), (19120, 66942), (21510, 59504), (22314, 57360), (22944, 55785), (28680, 44628), (29752, 43020), (33471, 38240), (34416, 37190)]