256788432

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 743892864

約数和(自身を除く): 487104432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 113, 129, 144, 172, 226, 258, 339, 344, 367, 387, 452, 516, 678, 688, 734, 774, 904, 1017, 1032, 1101, 1356, 1468, 1548, 1808, 2034, 2064, 2202, 2712, 2936, 3096, 3303, 4068, 4404, 4859, 5424, 5872, 6192, 6606, 8136, 8808, 9718, 13212, 14577, 15781, 16272, 17616, 19436, 26424, 29154, 31562, 38872, 41471, 43731, 47343, 52848, 58308, 63124, 77744, 82942, 87462, 94686, 116616, 124413, 126248, 142029, 165884, 174924, 189372, 233232, 248826, 252496, 284058, 331768, 349848, 373239, 378744, 497652, 568116, 663536, 699696, 746478, 757488, 995304, 1136232, 1492956, 1783253, 1990608, 2272464, 2985912, 3566506, 5349759, 5971824, 7133012, 10699518, 14266024, 16049277, 21399036, 28532048, 32098554, 42798072, 64197108, 85596144, 128394216, 256788432]

約数ペア:

[(1, 256788432), (2, 128394216), (3, 85596144), (4, 64197108), (6, 42798072), (8, 32098554), (9, 28532048), (12, 21399036), (16, 16049277), (18, 14266024), (24, 10699518), (36, 7133012), (43, 5971824), (48, 5349759), (72, 3566506), (86, 2985912), (113, 2272464), (129, 1990608), (144, 1783253), (172, 1492956), (226, 1136232), (258, 995304), (339, 757488), (344, 746478), (367, 699696), (387, 663536), (452, 568116), (516, 497652), (678, 378744), (688, 373239), (734, 349848), (774, 331768), (904, 284058), (1017, 252496), (1032, 248826), (1101, 233232), (1356, 189372), (1468, 174924), (1548, 165884), (1808, 142029), (2034, 126248), (2064, 124413), (2202, 116616), (2712, 94686), (2936, 87462), (3096, 82942), (3303, 77744), (4068, 63124), (4404, 58308), (4859, 52848), (5424, 47343), (5872, 43731), (6192, 41471), (6606, 38872), (8136, 31562), (8808, 29154), (9718, 26424), (13212, 19436), (14577, 17616), (15781, 16272)]