8706040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 24883200

約数和(自身を除く): 16177160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 59, 62, 68, 70, 85, 118, 119, 124, 136, 140, 155, 170, 217, 236, 238, 248, 280, 295, 310, 340, 413, 434, 472, 476, 527, 590, 595, 620, 680, 826, 868, 952, 1003, 1054, 1085, 1180, 1190, 1240, 1652, 1736, 1829, 2006, 2065, 2108, 2170, 2360, 2380, 2635, 3304, 3658, 3689, 4012, 4130, 4216, 4340, 4760, 5015, 5270, 7021, 7316, 7378, 8024, 8260, 8680, 9145, 10030, 10540, 12803, 14042, 14632, 14756, 16520, 18290, 18445, 20060, 21080, 25606, 28084, 29512, 31093, 35105, 36580, 36890, 40120, 51212, 56168, 62186, 64015, 70210, 73160, 73780, 102424, 124372, 128030, 140420, 147560, 155465, 217651, 248744, 256060, 280840, 310930, 435302, 512120, 621860, 870604, 1088255, 1243720, 1741208, 2176510, 4353020, 8706040]

約数ペア:

[(1, 8706040), (2, 4353020), (4, 2176510), (5, 1741208), (7, 1243720), (8, 1088255), (10, 870604), (14, 621860), (17, 512120), (20, 435302), (28, 310930), (31, 280840), (34, 256060), (35, 248744), (40, 217651), (56, 155465), (59, 147560), (62, 140420), (68, 128030), (70, 124372), (85, 102424), (118, 73780), (119, 73160), (124, 70210), (136, 64015), (140, 62186), (155, 56168), (170, 51212), (217, 40120), (236, 36890), (238, 36580), (248, 35105), (280, 31093), (295, 29512), (310, 28084), (340, 25606), (413, 21080), (434, 20060), (472, 18445), (476, 18290), (527, 16520), (590, 14756), (595, 14632), (620, 14042), (680, 12803), (826, 10540), (868, 10030), (952, 9145), (1003, 8680), (1054, 8260), (1085, 8024), (1180, 7378), (1190, 7316), (1240, 7021), (1652, 5270), (1736, 5015), (1829, 4760), (2006, 4340), (2065, 4216), (2108, 4130), (2170, 4012), (2360, 3689), (2380, 3658), (2635, 3304)]