2856444160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71987}}^1$

素因数の和:72039

約数の個数: 72

約数和(自身を含む): 7062886656

約数和(自身を除く): 4206442496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 71987, 143974, 287948, 359935, 575896, 719870, 1151792, 1439740, 2231597, 2303584, 2879480, 4463194, 4607168, 5758960, 8926388, 9214336, 11157985, 11517920, 17852776, 18428672, 22315970, 23035840, 35705552, 44631940, 46071680, 71411104, 89263880, 92143360, 142822208, 178527760, 285644416, 357055520, 571288832, 714111040, 1428222080, 2856444160]

約数ペア:

[(1, 2856444160), (2, 1428222080), (4, 714111040), (5, 571288832), (8, 357055520), (10, 285644416), (16, 178527760), (20, 142822208), (31, 92143360), (32, 89263880), (40, 71411104), (62, 46071680), (64, 44631940), (80, 35705552), (124, 23035840), (128, 22315970), (155, 18428672), (160, 17852776), (248, 11517920), (256, 11157985), (310, 9214336), (320, 8926388), (496, 5758960), (620, 4607168), (640, 4463194), (992, 2879480), (1240, 2303584), (1280, 2231597), (1984, 1439740), (2480, 1151792), (3968, 719870), (4960, 575896), (7936, 359935), (9920, 287948), (19840, 143974), (39680, 71987)]