257178672

素因数分解:

$2^4\times 3^3\times {\mathrm{89}}^1\times {\mathrm{6689}}^1$

素因数の和:6795

約数の個数: 80

約数和(自身を含む): 746604000

約数和(自身を除く): 489425328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 89, 108, 144, 178, 216, 267, 356, 432, 534, 712, 801, 1068, 1424, 1602, 2136, 2403, 3204, 4272, 4806, 6408, 6689, 9612, 12816, 13378, 19224, 20067, 26756, 38448, 40134, 53512, 60201, 80268, 107024, 120402, 160536, 180603, 240804, 321072, 361206, 481608, 595321, 722412, 963216, 1190642, 1444824, 1785963, 2381284, 2889648, 3571926, 4762568, 5357889, 7143852, 9525136, 10715778, 14287704, 16073667, 21431556, 28575408, 32147334, 42863112, 64294668, 85726224, 128589336, 257178672]

約数ペア:

[(1, 257178672), (2, 128589336), (3, 85726224), (4, 64294668), (6, 42863112), (8, 32147334), (9, 28575408), (12, 21431556), (16, 16073667), (18, 14287704), (24, 10715778), (27, 9525136), (36, 7143852), (48, 5357889), (54, 4762568), (72, 3571926), (89, 2889648), (108, 2381284), (144, 1785963), (178, 1444824), (216, 1190642), (267, 963216), (356, 722412), (432, 595321), (534, 481608), (712, 361206), (801, 321072), (1068, 240804), (1424, 180603), (1602, 160536), (2136, 120402), (2403, 107024), (3204, 80268), (4272, 60201), (4806, 53512), (6408, 40134), (6689, 38448), (9612, 26756), (12816, 20067), (13378, 19224)]