2779365680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8123}}^1$

素因数の和:8203

約数の個数: 160

約数和(自身を含む): 8123480064

約数和(自身を除く): 5344114384

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 80, 91, 94, 104, 112, 130, 140, 182, 188, 208, 235, 260, 280, 329, 364, 376, 455, 470, 520, 560, 611, 658, 728, 752, 910, 940, 1040, 1222, 1316, 1456, 1645, 1820, 1880, 2444, 2632, 3055, 3290, 3640, 3760, 4277, 4888, 5264, 6110, 6580, 7280, 8123, 8554, 9776, 12220, 13160, 16246, 17108, 21385, 24440, 26320, 32492, 34216, 40615, 42770, 48880, 56861, 64984, 68432, 81230, 85540, 105599, 113722, 129968, 162460, 171080, 211198, 227444, 284305, 324920, 342160, 381781, 422396, 454888, 527995, 568610, 649840, 739193, 763562, 844792, 909776, 1055990, 1137220, 1478386, 1527124, 1689584, 1908905, 2111980, 2274440, 2672467, 2956772, 3054248, 3695965, 3817810, 4223960, 4548880, 4963153, 5344934, 5913544, 6108496, 7391930, 7635620, 8447920, 9926306, 10689868, 11827088, 13362335, 14783860, 15271240, 19852612, 21379736, 24815765, 26724670, 29567720, 30542480, 34742071, 39705224, 42759472, 49631530, 53449340, 59135440, 69484142, 79410448, 99263060, 106898680, 138968284, 173710355, 198526120, 213797360, 277936568, 347420710, 397052240, 555873136, 694841420, 1389682840, 2779365680]

約数ペア:

[(1, 2779365680), (2, 1389682840), (4, 694841420), (5, 555873136), (7, 397052240), (8, 347420710), (10, 277936568), (13, 213797360), (14, 198526120), (16, 173710355), (20, 138968284), (26, 106898680), (28, 99263060), (35, 79410448), (40, 69484142), (47, 59135440), (52, 53449340), (56, 49631530), (65, 42759472), (70, 39705224), (80, 34742071), (91, 30542480), (94, 29567720), (104, 26724670), (112, 24815765), (130, 21379736), (140, 19852612), (182, 15271240), (188, 14783860), (208, 13362335), (235, 11827088), (260, 10689868), (280, 9926306), (329, 8447920), (364, 7635620), (376, 7391930), (455, 6108496), (470, 5913544), (520, 5344934), (560, 4963153), (611, 4548880), (658, 4223960), (728, 3817810), (752, 3695965), (910, 3054248), (940, 2956772), (1040, 2672467), (1222, 2274440), (1316, 2111980), (1456, 1908905), (1645, 1689584), (1820, 1527124), (1880, 1478386), (2444, 1137220), (2632, 1055990), (3055, 909776), (3290, 844792), (3640, 763562), (3760, 739193), (4277, 649840), (4888, 568610), (5264, 527995), (6110, 454888), (6580, 422396), (7280, 381781), (8123, 342160), (8554, 324920), (9776, 284305), (12220, 227444), (13160, 211198), (16246, 171080), (17108, 162460), (21385, 129968), (24440, 113722), (26320, 105599), (32492, 85540), (34216, 81230), (40615, 68432), (42770, 64984), (48880, 56861)]