64981600

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1952

約数の個数: 72

約数和(自身を含む): 162411480

約数和(自身を除く): 97429880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1720, 1889, 2150, 3440, 3778, 4300, 6880, 7556, 8600, 9445, 15112, 17200, 18890, 30224, 34400, 37780, 47225, 60448, 75560, 81227, 94450, 151120, 162454, 188900, 302240, 324908, 377800, 406135, 649816, 755600, 812270, 1299632, 1511200, 1624540, 2030675, 2599264, 3249080, 4061350, 6498160, 8122700, 12996320, 16245400, 32490800, 64981600]

約数ペア:

[(1, 64981600), (2, 32490800), (4, 16245400), (5, 12996320), (8, 8122700), (10, 6498160), (16, 4061350), (20, 3249080), (25, 2599264), (32, 2030675), (40, 1624540), (43, 1511200), (50, 1299632), (80, 812270), (86, 755600), (100, 649816), (160, 406135), (172, 377800), (200, 324908), (215, 302240), (344, 188900), (400, 162454), (430, 151120), (688, 94450), (800, 81227), (860, 75560), (1075, 60448), (1376, 47225), (1720, 37780), (1889, 34400), (2150, 30224), (3440, 18890), (3778, 17200), (4300, 15112), (6880, 9445), (7556, 8600)]