91381640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 251424000

約数和(自身を除く): 160042360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 89, 95, 133, 140, 152, 178, 190, 193, 266, 280, 356, 380, 386, 445, 532, 623, 665, 712, 760, 772, 890, 965, 1064, 1246, 1330, 1351, 1544, 1691, 1780, 1930, 2492, 2660, 2702, 3115, 3382, 3560, 3667, 3860, 4984, 5320, 5404, 6230, 6755, 6764, 7334, 7720, 8455, 10808, 11837, 12460, 13510, 13528, 14668, 16910, 17177, 18335, 23674, 24920, 25669, 27020, 29336, 33820, 34354, 36670, 47348, 51338, 54040, 59185, 67640, 68708, 73340, 85885, 94696, 102676, 118370, 120239, 128345, 137416, 146680, 171770, 205352, 236740, 240478, 256690, 326363, 343540, 473480, 480956, 513380, 601195, 652726, 687080, 961912, 1026760, 1202390, 1305452, 1631815, 2284541, 2404780, 2610904, 3263630, 4569082, 4809560, 6527260, 9138164, 11422705, 13054520, 18276328, 22845410, 45690820, 91381640]

約数ペア:

[(1, 91381640), (2, 45690820), (4, 22845410), (5, 18276328), (7, 13054520), (8, 11422705), (10, 9138164), (14, 6527260), (19, 4809560), (20, 4569082), (28, 3263630), (35, 2610904), (38, 2404780), (40, 2284541), (56, 1631815), (70, 1305452), (76, 1202390), (89, 1026760), (95, 961912), (133, 687080), (140, 652726), (152, 601195), (178, 513380), (190, 480956), (193, 473480), (266, 343540), (280, 326363), (356, 256690), (380, 240478), (386, 236740), (445, 205352), (532, 171770), (623, 146680), (665, 137416), (712, 128345), (760, 120239), (772, 118370), (890, 102676), (965, 94696), (1064, 85885), (1246, 73340), (1330, 68708), (1351, 67640), (1544, 59185), (1691, 54040), (1780, 51338), (1930, 47348), (2492, 36670), (2660, 34354), (2702, 33820), (3115, 29336), (3382, 27020), (3560, 25669), (3667, 24920), (3860, 23674), (4984, 18335), (5320, 17177), (5404, 16910), (6230, 14668), (6755, 13528), (6764, 13510), (7334, 12460), (7720, 11837), (8455, 10808)]