138960120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 451967040

約数和(自身を除く): 313006920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 281, 312, 317, 390, 520, 562, 634, 780, 843, 951, 1124, 1268, 1405, 1560, 1585, 1686, 1902, 2248, 2536, 2810, 3170, 3372, 3653, 3804, 4121, 4215, 4755, 5620, 6340, 6744, 7306, 7608, 8242, 8430, 9510, 10959, 11240, 12363, 12680, 14612, 16484, 16860, 18265, 19020, 20605, 21918, 24726, 29224, 32968, 33720, 36530, 38040, 41210, 43836, 49452, 54795, 61815, 73060, 82420, 87672, 89077, 98904, 109590, 123630, 146120, 164840, 178154, 219180, 247260, 267231, 356308, 438360, 445385, 494520, 534462, 712616, 890770, 1068924, 1158001, 1336155, 1781540, 2137848, 2316002, 2672310, 3474003, 3563080, 4632004, 5344620, 5790005, 6948006, 9264008, 10689240, 11580010, 13896012, 17370015, 23160020, 27792024, 34740030, 46320040, 69480060, 138960120]

約数ペア:

[(1, 138960120), (2, 69480060), (3, 46320040), (4, 34740030), (5, 27792024), (6, 23160020), (8, 17370015), (10, 13896012), (12, 11580010), (13, 10689240), (15, 9264008), (20, 6948006), (24, 5790005), (26, 5344620), (30, 4632004), (39, 3563080), (40, 3474003), (52, 2672310), (60, 2316002), (65, 2137848), (78, 1781540), (104, 1336155), (120, 1158001), (130, 1068924), (156, 890770), (195, 712616), (260, 534462), (281, 494520), (312, 445385), (317, 438360), (390, 356308), (520, 267231), (562, 247260), (634, 219180), (780, 178154), (843, 164840), (951, 146120), (1124, 123630), (1268, 109590), (1405, 98904), (1560, 89077), (1585, 87672), (1686, 82420), (1902, 73060), (2248, 61815), (2536, 54795), (2810, 49452), (3170, 43836), (3372, 41210), (3653, 38040), (3804, 36530), (4121, 33720), (4215, 32968), (4755, 29224), (5620, 24726), (6340, 21918), (6744, 20605), (7306, 19020), (7608, 18265), (8242, 16860), (8430, 16484), (9510, 14612), (10959, 12680), (11240, 12363)]