640713384

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{112643}}^1$

素因数の和:112734

約数の個数: 48

約数和(自身を含む): 1757246400

約数和(自身を除く): 1116533016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 5688, 112643, 225286, 337929, 450572, 675858, 901144, 1013787, 1351716, 2027574, 2703432, 4055148, 8110296, 8898797, 17797594, 26696391, 35595188, 53392782, 71190376, 80089173, 106785564, 160178346, 213571128, 320356692, 640713384]

約数ペア:

[(1, 640713384), (2, 320356692), (3, 213571128), (4, 160178346), (6, 106785564), (8, 80089173), (9, 71190376), (12, 53392782), (18, 35595188), (24, 26696391), (36, 17797594), (72, 8898797), (79, 8110296), (158, 4055148), (237, 2703432), (316, 2027574), (474, 1351716), (632, 1013787), (711, 901144), (948, 675858), (1422, 450572), (1896, 337929), (2844, 225286), (5688, 112643)]