31131216

素因数分解:

$2^4\times 3^6\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 140

約数和(自身を含む): 96363252

約数和(自身を除く): 65232036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 157, 162, 204, 216, 243, 272, 306, 314, 324, 408, 432, 459, 471, 486, 612, 628, 648, 729, 816, 918, 942, 972, 1224, 1256, 1296, 1377, 1413, 1458, 1836, 1884, 1944, 2448, 2512, 2669, 2754, 2826, 2916, 3672, 3768, 3888, 4131, 4239, 5338, 5508, 5652, 5832, 7344, 7536, 8007, 8262, 8478, 10676, 11016, 11304, 11664, 12393, 12717, 16014, 16524, 16956, 21352, 22032, 22608, 24021, 24786, 25434, 32028, 33048, 33912, 38151, 42704, 48042, 49572, 50868, 64056, 66096, 67824, 72063, 76302, 96084, 99144, 101736, 114453, 128112, 144126, 152604, 192168, 198288, 203472, 216189, 228906, 288252, 305208, 384336, 432378, 457812, 576504, 610416, 648567, 864756, 915624, 1153008, 1297134, 1729512, 1831248, 1945701, 2594268, 3459024, 3891402, 5188536, 7782804, 10377072, 15565608, 31131216]

約数ペア:

[(1, 31131216), (2, 15565608), (3, 10377072), (4, 7782804), (6, 5188536), (8, 3891402), (9, 3459024), (12, 2594268), (16, 1945701), (17, 1831248), (18, 1729512), (24, 1297134), (27, 1153008), (34, 915624), (36, 864756), (48, 648567), (51, 610416), (54, 576504), (68, 457812), (72, 432378), (81, 384336), (102, 305208), (108, 288252), (136, 228906), (144, 216189), (153, 203472), (157, 198288), (162, 192168), (204, 152604), (216, 144126), (243, 128112), (272, 114453), (306, 101736), (314, 99144), (324, 96084), (408, 76302), (432, 72063), (459, 67824), (471, 66096), (486, 64056), (612, 50868), (628, 49572), (648, 48042), (729, 42704), (816, 38151), (918, 33912), (942, 33048), (972, 32028), (1224, 25434), (1256, 24786), (1296, 24021), (1377, 22608), (1413, 22032), (1458, 21352), (1836, 16956), (1884, 16524), (1944, 16014), (2448, 12717), (2512, 12393), (2669, 11664), (2754, 11304), (2826, 11016), (2916, 10676), (3672, 8478), (3768, 8262), (3888, 8007), (4131, 7536), (4239, 7344), (5338, 5832), (5508, 5652)]