2812160

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^3$

素因数の和:60

約数の個数: 72

約数和(自身を含む): 7297080

約数和(自身を除く): 4484920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 520, 640, 676, 832, 845, 1040, 1280, 1352, 1664, 1690, 2080, 2197, 2704, 3328, 3380, 4160, 4394, 5408, 6760, 8320, 8788, 10816, 10985, 13520, 16640, 17576, 21632, 21970, 27040, 35152, 43264, 43940, 54080, 70304, 87880, 108160, 140608, 175760, 216320, 281216, 351520, 562432, 703040, 1406080, 2812160]

約数ペア:

[(1, 2812160), (2, 1406080), (4, 703040), (5, 562432), (8, 351520), (10, 281216), (13, 216320), (16, 175760), (20, 140608), (26, 108160), (32, 87880), (40, 70304), (52, 54080), (64, 43940), (65, 43264), (80, 35152), (104, 27040), (128, 21970), (130, 21632), (160, 17576), (169, 16640), (208, 13520), (256, 10985), (260, 10816), (320, 8788), (338, 8320), (416, 6760), (520, 5408), (640, 4394), (676, 4160), (832, 3380), (845, 3328), (1040, 2704), (1280, 2197), (1352, 2080), (1664, 1690)]