31324440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:529

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 77539560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 419, 420, 445, 534, 623, 712, 838, 840, 890, 1068, 1246, 1257, 1335, 1676, 1780, 1869, 2095, 2136, 2492, 2514, 2670, 2933, 3115, 3352, 3560, 3738, 4190, 4984, 5028, 5340, 5866, 6230, 6285, 7476, 8380, 8799, 9345, 10056, 10680, 11732, 12460, 12570, 14665, 14952, 16760, 17598, 18690, 23464, 24920, 25140, 29330, 35196, 37291, 37380, 43995, 50280, 58660, 70392, 74582, 74760, 87990, 111873, 117320, 149164, 175980, 186455, 223746, 261037, 298328, 351960, 372910, 447492, 522074, 559365, 745820, 783111, 894984, 1044148, 1118730, 1305185, 1491640, 1566222, 2088296, 2237460, 2610370, 3132444, 3915555, 4474920, 5220740, 6264888, 7831110, 10441480, 15662220, 31324440]

約数ペア:

[(1, 31324440), (2, 15662220), (3, 10441480), (4, 7831110), (5, 6264888), (6, 5220740), (7, 4474920), (8, 3915555), (10, 3132444), (12, 2610370), (14, 2237460), (15, 2088296), (20, 1566222), (21, 1491640), (24, 1305185), (28, 1118730), (30, 1044148), (35, 894984), (40, 783111), (42, 745820), (56, 559365), (60, 522074), (70, 447492), (84, 372910), (89, 351960), (105, 298328), (120, 261037), (140, 223746), (168, 186455), (178, 175980), (210, 149164), (267, 117320), (280, 111873), (356, 87990), (419, 74760), (420, 74582), (445, 70392), (534, 58660), (623, 50280), (712, 43995), (838, 37380), (840, 37291), (890, 35196), (1068, 29330), (1246, 25140), (1257, 24920), (1335, 23464), (1676, 18690), (1780, 17598), (1869, 16760), (2095, 14952), (2136, 14665), (2492, 12570), (2514, 12460), (2670, 11732), (2933, 10680), (3115, 10056), (3352, 9345), (3560, 8799), (3738, 8380), (4190, 7476), (4984, 6285), (5028, 6230), (5340, 5866)]