56561720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:624

約数の個数: 64

約数和(自身を含む): 135717120

約数和(自身を除く): 79155400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 223, 340, 373, 446, 680, 746, 892, 1115, 1492, 1784, 1865, 2230, 2984, 3730, 3791, 4460, 6341, 7460, 7582, 8920, 12682, 14920, 15164, 18955, 25364, 30328, 31705, 37910, 50728, 63410, 75820, 83179, 126820, 151640, 166358, 253640, 332716, 415895, 665432, 831790, 1414043, 1663580, 2828086, 3327160, 5656172, 7070215, 11312344, 14140430, 28280860, 56561720]

約数ペア:

[(1, 56561720), (2, 28280860), (4, 14140430), (5, 11312344), (8, 7070215), (10, 5656172), (17, 3327160), (20, 2828086), (34, 1663580), (40, 1414043), (68, 831790), (85, 665432), (136, 415895), (170, 332716), (223, 253640), (340, 166358), (373, 151640), (446, 126820), (680, 83179), (746, 75820), (892, 63410), (1115, 50728), (1492, 37910), (1784, 31705), (1865, 30328), (2230, 25364), (2984, 18955), (3730, 15164), (3791, 14920), (4460, 12682), (6341, 8920), (7460, 7582)]