131497560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:722

約数の個数: 128

約数和(自身を含む): 440856000

約数和(自身を除く): 309358440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 313, 360, 389, 540, 626, 778, 939, 1080, 1167, 1252, 1556, 1565, 1878, 1945, 2334, 2504, 2817, 3112, 3130, 3501, 3756, 3890, 4668, 4695, 5634, 5835, 6260, 7002, 7512, 7780, 8451, 9336, 9390, 10503, 11268, 11670, 12520, 14004, 14085, 15560, 16902, 17505, 18780, 21006, 22536, 23340, 28008, 28170, 33804, 35010, 37560, 42012, 42255, 46680, 52515, 56340, 67608, 70020, 84024, 84510, 105030, 112680, 121757, 140040, 169020, 210060, 243514, 338040, 365271, 420120, 487028, 608785, 730542, 974056, 1095813, 1217570, 1461084, 1826355, 2191626, 2435140, 2922168, 3287439, 3652710, 4383252, 4870280, 5479065, 6574878, 7305420, 8766504, 10958130, 13149756, 14610840, 16437195, 21916260, 26299512, 32874390, 43832520, 65748780, 131497560]

約数ペア:

[(1, 131497560), (2, 65748780), (3, 43832520), (4, 32874390), (5, 26299512), (6, 21916260), (8, 16437195), (9, 14610840), (10, 13149756), (12, 10958130), (15, 8766504), (18, 7305420), (20, 6574878), (24, 5479065), (27, 4870280), (30, 4383252), (36, 3652710), (40, 3287439), (45, 2922168), (54, 2435140), (60, 2191626), (72, 1826355), (90, 1461084), (108, 1217570), (120, 1095813), (135, 974056), (180, 730542), (216, 608785), (270, 487028), (313, 420120), (360, 365271), (389, 338040), (540, 243514), (626, 210060), (778, 169020), (939, 140040), (1080, 121757), (1167, 112680), (1252, 105030), (1556, 84510), (1565, 84024), (1878, 70020), (1945, 67608), (2334, 56340), (2504, 52515), (2817, 46680), (3112, 42255), (3130, 42012), (3501, 37560), (3756, 35010), (3890, 33804), (4668, 28170), (4695, 28008), (5634, 23340), (5835, 22536), (6260, 21006), (7002, 18780), (7512, 17505), (7780, 16902), (8451, 15560), (9336, 14085), (9390, 14004), (10503, 12520), (11268, 11670)]