278256960

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1325

約数の個数: 168

約数和(自身を含む): 969995520

約数和(自身を除く): 691738560

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, 64, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 395, 474, 480, 576, 632, 711, 720, 790, 948, 960, 1185, 1223, 1264, 1422, 1440, 1580, 1896, 2370, 2446, 2528, 2844, 2880, 3160, 3555, 3669, 3792, 4740, 4892, 5056, 5688, 6115, 6320, 7110, 7338, 7584, 9480, 9784, 11007, 11376, 12230, 12640, 14220, 14676, 15168, 18345, 18960, 19568, 22014, 22752, 24460, 25280, 28440, 29352, 36690, 37920, 39136, 44028, 45504, 48920, 55035, 56880, 58704, 73380, 75840, 78272, 88056, 96617, 97840, 110070, 113760, 117408, 146760, 176112, 193234, 195680, 220140, 227520, 234816, 289851, 293520, 352224, 386468, 391360, 440280, 483085, 579702, 587040, 704448, 772936, 869553, 880560, 966170, 1159404, 1174080, 1449255, 1545872, 1739106, 1761120, 1932340, 2318808, 2898510, 3091744, 3478212, 3522240, 3864680, 4347765, 4637616, 5797020, 6183488, 6956424, 7729360, 8695530, 9275232, 11594040, 13912848, 15458720, 17391060, 18550464, 23188080, 27825696, 30917440, 34782120, 46376160, 55651392, 69564240, 92752320, 139128480, 278256960]

約数ペア:

[(1, 278256960), (2, 139128480), (3, 92752320), (4, 69564240), (5, 55651392), (6, 46376160), (8, 34782120), (9, 30917440), (10, 27825696), (12, 23188080), (15, 18550464), (16, 17391060), (18, 15458720), (20, 13912848), (24, 11594040), (30, 9275232), (32, 8695530), (36, 7729360), (40, 6956424), (45, 6183488), (48, 5797020), (60, 4637616), (64, 4347765), (72, 3864680), (79, 3522240), (80, 3478212), (90, 3091744), (96, 2898510), (120, 2318808), (144, 1932340), (158, 1761120), (160, 1739106), (180, 1545872), (192, 1449255), (237, 1174080), (240, 1159404), (288, 966170), (316, 880560), (320, 869553), (360, 772936), (395, 704448), (474, 587040), (480, 579702), (576, 483085), (632, 440280), (711, 391360), (720, 386468), (790, 352224), (948, 293520), (960, 289851), (1185, 234816), (1223, 227520), (1264, 220140), (1422, 195680), (1440, 193234), (1580, 176112), (1896, 146760), (2370, 117408), (2446, 113760), (2528, 110070), (2844, 97840), (2880, 96617), (3160, 88056), (3555, 78272), (3669, 75840), (3792, 73380), (4740, 58704), (4892, 56880), (5056, 55035), (5688, 48920), (6115, 45504), (6320, 44028), (7110, 39136), (7338, 37920), (7584, 36690), (9480, 29352), (9784, 28440), (11007, 25280), (11376, 24460), (12230, 22752), (12640, 22014), (14220, 19568), (14676, 18960), (15168, 18345)]