268824560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1777}}^1$

素因数の和:1882

約数の個数: 80

約数和(自身を含む): 656124672

約数和(自身を除く): 387300112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1220, 1240, 1777, 1891, 2440, 2480, 3554, 3782, 4880, 7108, 7564, 8885, 9455, 14216, 15128, 17770, 18910, 28432, 30256, 35540, 37820, 55087, 71080, 75640, 108397, 110174, 142160, 151280, 216794, 220348, 275435, 433588, 440696, 541985, 550870, 867176, 881392, 1083970, 1101740, 1734352, 2167940, 2203480, 3360307, 4335880, 4406960, 6720614, 8671760, 13441228, 16801535, 26882456, 33603070, 53764912, 67206140, 134412280, 268824560]

約数ペア:

[(1, 268824560), (2, 134412280), (4, 67206140), (5, 53764912), (8, 33603070), (10, 26882456), (16, 16801535), (20, 13441228), (31, 8671760), (40, 6720614), (61, 4406960), (62, 4335880), (80, 3360307), (122, 2203480), (124, 2167940), (155, 1734352), (244, 1101740), (248, 1083970), (305, 881392), (310, 867176), (488, 550870), (496, 541985), (610, 440696), (620, 433588), (976, 275435), (1220, 220348), (1240, 216794), (1777, 151280), (1891, 142160), (2440, 110174), (2480, 108397), (3554, 75640), (3782, 71080), (4880, 55087), (7108, 37820), (7564, 35540), (8885, 30256), (9455, 28432), (14216, 18910), (15128, 17770)]