64685120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10639}}^1$

素因数の和:10675

約数の個数: 56

約数和(自身を含む): 162153600

約数和(自身を除く): 97468480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 10639, 21278, 42556, 53195, 85112, 106390, 170224, 202141, 212780, 340448, 404282, 425560, 680896, 808564, 851120, 1010705, 1617128, 1702240, 2021410, 3234256, 3404480, 4042820, 6468512, 8085640, 12937024, 16171280, 32342560, 64685120]

約数ペア:

[(1, 64685120), (2, 32342560), (4, 16171280), (5, 12937024), (8, 8085640), (10, 6468512), (16, 4042820), (19, 3404480), (20, 3234256), (32, 2021410), (38, 1702240), (40, 1617128), (64, 1010705), (76, 851120), (80, 808564), (95, 680896), (152, 425560), (160, 404282), (190, 340448), (304, 212780), (320, 202141), (380, 170224), (608, 106390), (760, 85112), (1216, 53195), (1520, 42556), (3040, 21278), (6080, 10639)]