280111536

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:655

約数の個数: 120

約数和(自身を含む): 817090560

約数和(自身を除く): 536979024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 131, 144, 186, 248, 262, 279, 372, 393, 479, 496, 524, 558, 744, 786, 958, 1048, 1116, 1179, 1437, 1488, 1572, 1916, 2096, 2232, 2358, 2874, 3144, 3832, 4061, 4311, 4464, 4716, 5748, 6288, 7664, 8122, 8622, 9432, 11496, 12183, 14849, 16244, 17244, 18864, 22992, 24366, 29698, 32488, 34488, 36549, 44547, 48732, 59396, 62749, 64976, 68976, 73098, 89094, 97464, 118792, 125498, 133641, 146196, 178188, 188247, 194928, 237584, 250996, 267282, 292392, 356376, 376494, 501992, 534564, 564741, 584784, 712752, 752988, 1003984, 1069128, 1129482, 1505976, 1945219, 2138256, 2258964, 3011952, 3890438, 4517928, 5835657, 7780876, 9035856, 11671314, 15561752, 17506971, 23342628, 31123504, 35013942, 46685256, 70027884, 93370512, 140055768, 280111536]

約数ペア:

[(1, 280111536), (2, 140055768), (3, 93370512), (4, 70027884), (6, 46685256), (8, 35013942), (9, 31123504), (12, 23342628), (16, 17506971), (18, 15561752), (24, 11671314), (31, 9035856), (36, 7780876), (48, 5835657), (62, 4517928), (72, 3890438), (93, 3011952), (124, 2258964), (131, 2138256), (144, 1945219), (186, 1505976), (248, 1129482), (262, 1069128), (279, 1003984), (372, 752988), (393, 712752), (479, 584784), (496, 564741), (524, 534564), (558, 501992), (744, 376494), (786, 356376), (958, 292392), (1048, 267282), (1116, 250996), (1179, 237584), (1437, 194928), (1488, 188247), (1572, 178188), (1916, 146196), (2096, 133641), (2232, 125498), (2358, 118792), (2874, 97464), (3144, 89094), (3832, 73098), (4061, 68976), (4311, 64976), (4464, 62749), (4716, 59396), (5748, 48732), (6288, 44547), (7664, 36549), (8122, 34488), (8622, 32488), (9432, 29698), (11496, 24366), (12183, 22992), (14849, 18864), (16244, 17244)]