15920080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 41068800

約数和(自身を除く): 25148720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 229, 316, 395, 440, 458, 632, 790, 869, 880, 916, 1145, 1264, 1580, 1738, 1832, 2290, 2519, 3160, 3476, 3664, 4345, 4580, 5038, 6320, 6952, 8690, 9160, 10076, 12595, 13904, 17380, 18091, 18320, 20152, 25190, 34760, 36182, 40304, 50380, 69520, 72364, 90455, 100760, 144728, 180910, 199001, 201520, 289456, 361820, 398002, 723640, 796004, 995005, 1447280, 1592008, 1990010, 3184016, 3980020, 7960040, 15920080]

約数ペア:

[(1, 15920080), (2, 7960040), (4, 3980020), (5, 3184016), (8, 1990010), (10, 1592008), (11, 1447280), (16, 995005), (20, 796004), (22, 723640), (40, 398002), (44, 361820), (55, 289456), (79, 201520), (80, 199001), (88, 180910), (110, 144728), (158, 100760), (176, 90455), (220, 72364), (229, 69520), (316, 50380), (395, 40304), (440, 36182), (458, 34760), (632, 25190), (790, 20152), (869, 18320), (880, 18091), (916, 17380), (1145, 13904), (1264, 12595), (1580, 10076), (1738, 9160), (1832, 8690), (2290, 6952), (2519, 6320), (3160, 5038), (3476, 4580), (3664, 4345)]