90207520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1458

約数の個数: 96

約数和(自身を含む): 237081600

約数和(自身を除く): 146874080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1399, 1612, 2015, 2080, 2480, 2798, 3224, 4030, 4960, 5596, 6448, 6995, 8060, 11192, 12896, 13990, 16120, 18187, 22384, 27980, 32240, 36374, 43369, 44768, 55960, 64480, 72748, 86738, 90935, 111920, 145496, 173476, 181870, 216845, 223840, 290992, 346952, 363740, 433690, 563797, 581984, 693904, 727480, 867380, 1127594, 1387808, 1454960, 1734760, 2255188, 2818985, 2909920, 3469520, 4510376, 5637970, 6939040, 9020752, 11275940, 18041504, 22551880, 45103760, 90207520]

約数ペア:

[(1, 90207520), (2, 45103760), (4, 22551880), (5, 18041504), (8, 11275940), (10, 9020752), (13, 6939040), (16, 5637970), (20, 4510376), (26, 3469520), (31, 2909920), (32, 2818985), (40, 2255188), (52, 1734760), (62, 1454960), (65, 1387808), (80, 1127594), (104, 867380), (124, 727480), (130, 693904), (155, 581984), (160, 563797), (208, 433690), (248, 363740), (260, 346952), (310, 290992), (403, 223840), (416, 216845), (496, 181870), (520, 173476), (620, 145496), (806, 111920), (992, 90935), (1040, 86738), (1240, 72748), (1399, 64480), (1612, 55960), (2015, 44768), (2080, 43369), (2480, 36374), (2798, 32240), (3224, 27980), (4030, 22384), (4960, 18187), (5596, 16120), (6448, 13990), (6995, 12896), (8060, 11192)]