81745600

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2730

約数の個数: 84

約数和(自身を含む): 211810600

約数和(自身を除く): 130065000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 152, 160, 190, 200, 304, 320, 380, 400, 475, 608, 760, 800, 950, 1216, 1520, 1600, 1900, 2689, 3040, 3800, 5378, 6080, 7600, 10756, 13445, 15200, 21512, 26890, 30400, 43024, 51091, 53780, 67225, 86048, 102182, 107560, 134450, 172096, 204364, 215120, 255455, 268900, 408728, 430240, 510910, 537800, 817456, 860480, 1021820, 1075600, 1277275, 1634912, 2043640, 2151200, 2554550, 3269824, 4087280, 4302400, 5109100, 8174560, 10218200, 16349120, 20436400, 40872800, 81745600]

約数ペア:

[(1, 81745600), (2, 40872800), (4, 20436400), (5, 16349120), (8, 10218200), (10, 8174560), (16, 5109100), (19, 4302400), (20, 4087280), (25, 3269824), (32, 2554550), (38, 2151200), (40, 2043640), (50, 1634912), (64, 1277275), (76, 1075600), (80, 1021820), (95, 860480), (100, 817456), (152, 537800), (160, 510910), (190, 430240), (200, 408728), (304, 268900), (320, 255455), (380, 215120), (400, 204364), (475, 172096), (608, 134450), (760, 107560), (800, 102182), (950, 86048), (1216, 67225), (1520, 53780), (1600, 51091), (1900, 43024), (2689, 30400), (3040, 26890), (3800, 21512), (5378, 15200), (6080, 13445), (7600, 10756)]