261772680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5413}}^1$

素因数の和:5471

約数の個数: 128

約数和(自身を含む): 873169920

約数和(自身を除く): 611397240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 5413, 6045, 8060, 9672, 10826, 12090, 16120, 16239, 21652, 24180, 27065, 32478, 43304, 48360, 54130, 64956, 70369, 81195, 108260, 129912, 140738, 162390, 167803, 211107, 216520, 281476, 324780, 335606, 351845, 422214, 503409, 562952, 649560, 671212, 703690, 839015, 844428, 1006818, 1055535, 1342424, 1407380, 1678030, 1688856, 2013636, 2111070, 2181439, 2517045, 2814760, 3356060, 4027272, 4222140, 4362878, 5034090, 6544317, 6712120, 8444280, 8725756, 10068180, 10907195, 13088634, 17451512, 20136360, 21814390, 26177268, 32721585, 43628780, 52354536, 65443170, 87257560, 130886340, 261772680]

約数ペア:

[(1, 261772680), (2, 130886340), (3, 87257560), (4, 65443170), (5, 52354536), (6, 43628780), (8, 32721585), (10, 26177268), (12, 21814390), (13, 20136360), (15, 17451512), (20, 13088634), (24, 10907195), (26, 10068180), (30, 8725756), (31, 8444280), (39, 6712120), (40, 6544317), (52, 5034090), (60, 4362878), (62, 4222140), (65, 4027272), (78, 3356060), (93, 2814760), (104, 2517045), (120, 2181439), (124, 2111070), (130, 2013636), (155, 1688856), (156, 1678030), (186, 1407380), (195, 1342424), (248, 1055535), (260, 1006818), (310, 844428), (312, 839015), (372, 703690), (390, 671212), (403, 649560), (465, 562952), (520, 503409), (620, 422214), (744, 351845), (780, 335606), (806, 324780), (930, 281476), (1209, 216520), (1240, 211107), (1560, 167803), (1612, 162390), (1860, 140738), (2015, 129912), (2418, 108260), (3224, 81195), (3720, 70369), (4030, 64956), (4836, 54130), (5413, 48360), (6045, 43304), (8060, 32478), (9672, 27065), (10826, 24180), (12090, 21652), (16120, 16239)]