20883375680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{1151}}^1$

素因数の和:1289

約数の個数: 168

約数和(自身を含む): 52300753920

約数和(自身を除く): 31417378240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 155, 160, 236, 248, 295, 310, 320, 472, 496, 590, 620, 944, 961, 992, 1151, 1180, 1240, 1829, 1888, 1922, 1984, 2302, 2360, 2480, 3658, 3776, 3844, 4604, 4720, 4805, 4960, 5755, 7316, 7688, 9145, 9208, 9440, 9610, 9920, 11510, 14632, 15376, 18290, 18416, 18880, 19220, 23020, 29264, 30752, 35681, 36580, 36832, 38440, 46040, 56699, 58528, 61504, 67909, 71362, 73160, 73664, 76880, 92080, 113398, 117056, 135818, 142724, 146320, 153760, 178405, 184160, 226796, 271636, 283495, 285448, 292640, 307520, 339545, 356810, 368320, 453592, 543272, 566990, 570896, 585280, 679090, 713620, 907184, 1086544, 1106111, 1133980, 1141792, 1358180, 1427240, 1814368, 2105179, 2173088, 2212222, 2267960, 2283584, 2716360, 2854480, 3628736, 4210358, 4346176, 4424444, 4535920, 5432720, 5530555, 5708960, 8420716, 8848888, 9071840, 10525895, 10865440, 11061110, 11417920, 16841432, 17697776, 18143680, 21051790, 21730880, 22122220, 33682864, 35395552, 42103580, 44244440, 65260549, 67365728, 70791104, 84207160, 88488880, 130521098, 134731456, 168414320, 176977760, 261042196, 326302745, 336828640, 353955520, 522084392, 652605490, 673657280, 1044168784, 1305210980, 2088337568, 2610421960, 4176675136, 5220843920, 10441687840, 20883375680]

約数ペア:

[(1, 20883375680), (2, 10441687840), (4, 5220843920), (5, 4176675136), (8, 2610421960), (10, 2088337568), (16, 1305210980), (20, 1044168784), (31, 673657280), (32, 652605490), (40, 522084392), (59, 353955520), (62, 336828640), (64, 326302745), (80, 261042196), (118, 176977760), (124, 168414320), (155, 134731456), (160, 130521098), (236, 88488880), (248, 84207160), (295, 70791104), (310, 67365728), (320, 65260549), (472, 44244440), (496, 42103580), (590, 35395552), (620, 33682864), (944, 22122220), (961, 21730880), (992, 21051790), (1151, 18143680), (1180, 17697776), (1240, 16841432), (1829, 11417920), (1888, 11061110), (1922, 10865440), (1984, 10525895), (2302, 9071840), (2360, 8848888), (2480, 8420716), (3658, 5708960), (3776, 5530555), (3844, 5432720), (4604, 4535920), (4720, 4424444), (4805, 4346176), (4960, 4210358), (5755, 3628736), (7316, 2854480), (7688, 2716360), (9145, 2283584), (9208, 2267960), (9440, 2212222), (9610, 2173088), (9920, 2105179), (11510, 1814368), (14632, 1427240), (15376, 1358180), (18290, 1141792), (18416, 1133980), (18880, 1106111), (19220, 1086544), (23020, 907184), (29264, 713620), (30752, 679090), (35681, 585280), (36580, 570896), (36832, 566990), (38440, 543272), (46040, 453592), (56699, 368320), (58528, 356810), (61504, 339545), (67909, 307520), (71362, 292640), (73160, 285448), (73664, 283495), (76880, 271636), (92080, 226796), (113398, 184160), (117056, 178405), (135818, 153760), (142724, 146320)]