30220640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9941}}^1$

素因数の和:9975

約数の個数: 48

約数和(自身を含む): 75161520

約数和(自身を除く): 44940880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9941, 19882, 39764, 49705, 79528, 99410, 159056, 188879, 198820, 318112, 377758, 397640, 755516, 795280, 944395, 1511032, 1590560, 1888790, 3022064, 3777580, 6044128, 7555160, 15110320, 30220640]

約数ペア:

[(1, 30220640), (2, 15110320), (4, 7555160), (5, 6044128), (8, 3777580), (10, 3022064), (16, 1888790), (19, 1590560), (20, 1511032), (32, 944395), (38, 795280), (40, 755516), (76, 397640), (80, 377758), (95, 318112), (152, 198820), (160, 188879), (190, 159056), (304, 99410), (380, 79528), (608, 49705), (760, 39764), (1520, 19882), (3040, 9941)]