31320540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1$

素因数の和:1920

約数の個数: 96

約数和(自身を含む): 100638720

約数和(自身を除く): 69318180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 1871, 2790, 3348, 3742, 4185, 5580, 5613, 7484, 8370, 9355, 11226, 16740, 16839, 18710, 22452, 28065, 33678, 37420, 50517, 56130, 58001, 67356, 84195, 101034, 112260, 116002, 168390, 174003, 202068, 232004, 252585, 290005, 336780, 348006, 505170, 522009, 580010, 696012, 870015, 1010340, 1044018, 1160020, 1566027, 1740030, 2088036, 2610045, 3132054, 3480060, 5220090, 6264108, 7830135, 10440180, 15660270, 31320540]

約数ペア:

[(1, 31320540), (2, 15660270), (3, 10440180), (4, 7830135), (5, 6264108), (6, 5220090), (9, 3480060), (10, 3132054), (12, 2610045), (15, 2088036), (18, 1740030), (20, 1566027), (27, 1160020), (30, 1044018), (31, 1010340), (36, 870015), (45, 696012), (54, 580010), (60, 522009), (62, 505170), (90, 348006), (93, 336780), (108, 290005), (124, 252585), (135, 232004), (155, 202068), (180, 174003), (186, 168390), (270, 116002), (279, 112260), (310, 101034), (372, 84195), (465, 67356), (540, 58001), (558, 56130), (620, 50517), (837, 37420), (930, 33678), (1116, 28065), (1395, 22452), (1674, 18710), (1860, 16839), (1871, 16740), (2790, 11226), (3348, 9355), (3742, 8370), (4185, 7484), (5580, 5613)]