280623408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 819947520

約数和(自身を除く): 539324112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 89, 93, 104, 124, 156, 163, 178, 186, 208, 248, 267, 312, 326, 356, 372, 403, 489, 496, 534, 624, 652, 712, 744, 806, 978, 1068, 1157, 1209, 1304, 1424, 1488, 1612, 1956, 2119, 2136, 2314, 2418, 2608, 2759, 3224, 3471, 3912, 4238, 4272, 4628, 4836, 5053, 5518, 6357, 6448, 6942, 7824, 8277, 8476, 9256, 9672, 10106, 11036, 12714, 13884, 14507, 15159, 16554, 16952, 18512, 19344, 20212, 22072, 25428, 27768, 29014, 30318, 33108, 33904, 35867, 40424, 43521, 44144, 50856, 55536, 58028, 60636, 65689, 66216, 71734, 80848, 87042, 101712, 107601, 116056, 121272, 131378, 132432, 143468, 174084, 188591, 197067, 215202, 232112, 242544, 262756, 286936, 348168, 377182, 394134, 430404, 449717, 525512, 565773, 573872, 696336, 754364, 788268, 860808, 899434, 1051024, 1131546, 1349151, 1508728, 1576536, 1721616, 1798868, 2263092, 2698302, 3017456, 3153072, 3597736, 4526184, 5396604, 5846321, 7195472, 9052368, 10793208, 11692642, 17538963, 21586416, 23385284, 35077926, 46770568, 70155852, 93541136, 140311704, 280623408]

約数ペア:

[(1, 280623408), (2, 140311704), (3, 93541136), (4, 70155852), (6, 46770568), (8, 35077926), (12, 23385284), (13, 21586416), (16, 17538963), (24, 11692642), (26, 10793208), (31, 9052368), (39, 7195472), (48, 5846321), (52, 5396604), (62, 4526184), (78, 3597736), (89, 3153072), (93, 3017456), (104, 2698302), (124, 2263092), (156, 1798868), (163, 1721616), (178, 1576536), (186, 1508728), (208, 1349151), (248, 1131546), (267, 1051024), (312, 899434), (326, 860808), (356, 788268), (372, 754364), (403, 696336), (489, 573872), (496, 565773), (534, 525512), (624, 449717), (652, 430404), (712, 394134), (744, 377182), (806, 348168), (978, 286936), (1068, 262756), (1157, 242544), (1209, 232112), (1304, 215202), (1424, 197067), (1488, 188591), (1612, 174084), (1956, 143468), (2119, 132432), (2136, 131378), (2314, 121272), (2418, 116056), (2608, 107601), (2759, 101712), (3224, 87042), (3471, 80848), (3912, 71734), (4238, 66216), (4272, 65689), (4628, 60636), (4836, 58028), (5053, 55536), (5518, 50856), (6357, 44144), (6448, 43521), (6942, 40424), (7824, 35867), (8277, 33904), (8476, 33108), (9256, 30318), (9672, 29014), (10106, 27768), (11036, 25428), (12714, 22072), (13884, 20212), (14507, 19344), (15159, 18512), (16554, 16952)]