172191780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22247}}^1$

素因数の和:22305

約数の個数: 72

約数和(自身を含む): 534485952

約数和(自身を除く): 362294172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 22247, 44494, 66741, 88988, 111235, 133482, 200223, 222470, 266964, 333705, 400446, 444940, 667410, 800892, 956621, 1001115, 1334820, 1913242, 2002230, 2869863, 3826484, 4004460, 4783105, 5739726, 8609589, 9566210, 11479452, 14349315, 17219178, 19132420, 28698630, 34438356, 43047945, 57397260, 86095890, 172191780]

約数ペア:

[(1, 172191780), (2, 86095890), (3, 57397260), (4, 43047945), (5, 34438356), (6, 28698630), (9, 19132420), (10, 17219178), (12, 14349315), (15, 11479452), (18, 9566210), (20, 8609589), (30, 5739726), (36, 4783105), (43, 4004460), (45, 3826484), (60, 2869863), (86, 2002230), (90, 1913242), (129, 1334820), (172, 1001115), (180, 956621), (215, 800892), (258, 667410), (387, 444940), (430, 400446), (516, 333705), (645, 266964), (774, 222470), (860, 200223), (1290, 133482), (1548, 111235), (1935, 88988), (2580, 66741), (3870, 44494), (7740, 22247)]