136837720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 319933440

約数和(自身を除く): 183095720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 211, 248, 310, 422, 523, 620, 844, 1046, 1055, 1240, 1688, 2092, 2110, 2615, 4184, 4220, 5230, 6541, 8440, 10460, 13082, 16213, 20920, 26164, 32426, 32705, 52328, 64852, 65410, 81065, 110353, 129704, 130820, 162130, 220706, 261640, 324260, 441412, 551765, 648520, 882824, 1103530, 2207060, 3420943, 4414120, 6841886, 13683772, 17104715, 27367544, 34209430, 68418860, 136837720]

約数ペア:

[(1, 136837720), (2, 68418860), (4, 34209430), (5, 27367544), (8, 17104715), (10, 13683772), (20, 6841886), (31, 4414120), (40, 3420943), (62, 2207060), (124, 1103530), (155, 882824), (211, 648520), (248, 551765), (310, 441412), (422, 324260), (523, 261640), (620, 220706), (844, 162130), (1046, 130820), (1055, 129704), (1240, 110353), (1688, 81065), (2092, 65410), (2110, 64852), (2615, 52328), (4184, 32705), (4220, 32426), (5230, 26164), (6541, 20920), (8440, 16213), (10460, 13082)]