61430640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{255961}}^1$

素因数の和:255977

約数の個数: 40

約数和(自身を含む): 190435728

約数和(自身を除く): 129005088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 255961, 511922, 767883, 1023844, 1279805, 1535766, 2047688, 2559610, 3071532, 3839415, 4095376, 5119220, 6143064, 7678830, 10238440, 12286128, 15357660, 20476880, 30715320, 61430640]

約数ペア:

[(1, 61430640), (2, 30715320), (3, 20476880), (4, 15357660), (5, 12286128), (6, 10238440), (8, 7678830), (10, 6143064), (12, 5119220), (15, 4095376), (16, 3839415), (20, 3071532), (24, 2559610), (30, 2047688), (40, 1535766), (48, 1279805), (60, 1023844), (80, 767883), (120, 511922), (240, 255961)]