70135640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 164367360

約数和(自身を除く): 94231720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 347, 620, 652, 694, 815, 1240, 1304, 1388, 1630, 1735, 2776, 3260, 3470, 5053, 6520, 6940, 10106, 10757, 13880, 20212, 21514, 25265, 40424, 43028, 50530, 53785, 56561, 86056, 101060, 107570, 113122, 202120, 215140, 226244, 282805, 430280, 452488, 565610, 1131220, 1753391, 2262440, 3506782, 7013564, 8766955, 14027128, 17533910, 35067820, 70135640]

約数ペア:

[(1, 70135640), (2, 35067820), (4, 17533910), (5, 14027128), (8, 8766955), (10, 7013564), (20, 3506782), (31, 2262440), (40, 1753391), (62, 1131220), (124, 565610), (155, 452488), (163, 430280), (248, 282805), (310, 226244), (326, 215140), (347, 202120), (620, 113122), (652, 107570), (694, 101060), (815, 86056), (1240, 56561), (1304, 53785), (1388, 50530), (1630, 43028), (1735, 40424), (2776, 25265), (3260, 21514), (3470, 20212), (5053, 13880), (6520, 10757), (6940, 10106)]