380634640

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:584

約数の個数: 80

約数和(自身を含む): 903513600

約数和(自身を除く): 522878960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 229, 263, 316, 395, 458, 526, 632, 790, 916, 1052, 1145, 1264, 1315, 1580, 1832, 2104, 2290, 2630, 3160, 3664, 4208, 4580, 5260, 6320, 9160, 10520, 18091, 18320, 20777, 21040, 36182, 41554, 60227, 72364, 83108, 90455, 103885, 120454, 144728, 166216, 180910, 207770, 240908, 289456, 301135, 332432, 361820, 415540, 481816, 602270, 723640, 831080, 963632, 1204540, 1447280, 1662160, 2409080, 4757933, 4818160, 9515866, 19031732, 23789665, 38063464, 47579330, 76126928, 95158660, 190317320, 380634640]

約数ペア:

[(1, 380634640), (2, 190317320), (4, 95158660), (5, 76126928), (8, 47579330), (10, 38063464), (16, 23789665), (20, 19031732), (40, 9515866), (79, 4818160), (80, 4757933), (158, 2409080), (229, 1662160), (263, 1447280), (316, 1204540), (395, 963632), (458, 831080), (526, 723640), (632, 602270), (790, 481816), (916, 415540), (1052, 361820), (1145, 332432), (1264, 301135), (1315, 289456), (1580, 240908), (1832, 207770), (2104, 180910), (2290, 166216), (2630, 144728), (3160, 120454), (3664, 103885), (4208, 90455), (4580, 83108), (5260, 72364), (6320, 60227), (9160, 41554), (10520, 36182), (18091, 21040), (18320, 20777)]