201326640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2113}}^1$

素因数の和:2526

約数の個数: 80

約数和(自身を含む): 625980768

約数和(自身を除く): 424654128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 1191, 1588, 1985, 2113, 2382, 3176, 3970, 4226, 4764, 5955, 6339, 6352, 7940, 8452, 9528, 10565, 11910, 12678, 15880, 16904, 19056, 21130, 23820, 25356, 31695, 31760, 33808, 42260, 47640, 50712, 63390, 84520, 95280, 101424, 126780, 169040, 253560, 507120, 838861, 1677722, 2516583, 3355444, 4194305, 5033166, 6710888, 8388610, 10066332, 12582915, 13421776, 16777220, 20132664, 25165830, 33554440, 40265328, 50331660, 67108880, 100663320, 201326640]

約数ペア:

[(1, 201326640), (2, 100663320), (3, 67108880), (4, 50331660), (5, 40265328), (6, 33554440), (8, 25165830), (10, 20132664), (12, 16777220), (15, 13421776), (16, 12582915), (20, 10066332), (24, 8388610), (30, 6710888), (40, 5033166), (48, 4194305), (60, 3355444), (80, 2516583), (120, 1677722), (240, 838861), (397, 507120), (794, 253560), (1191, 169040), (1588, 126780), (1985, 101424), (2113, 95280), (2382, 84520), (3176, 63390), (3970, 50712), (4226, 47640), (4764, 42260), (5955, 33808), (6339, 31760), (6352, 31695), (7940, 25356), (8452, 23820), (9528, 21130), (10565, 19056), (11910, 16904), (12678, 15880)]