31177320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 106099200

約数和(自身を除く): 74921880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 29, 30, 31, 34, 40, 51, 58, 60, 62, 68, 85, 87, 93, 102, 116, 120, 124, 136, 145, 155, 170, 174, 186, 204, 232, 248, 255, 289, 290, 310, 340, 348, 372, 408, 435, 465, 493, 510, 527, 578, 580, 620, 680, 696, 744, 867, 870, 899, 930, 986, 1020, 1054, 1156, 1160, 1240, 1445, 1479, 1581, 1734, 1740, 1798, 1860, 1972, 2040, 2108, 2312, 2465, 2635, 2697, 2890, 2958, 3162, 3468, 3480, 3596, 3720, 3944, 4216, 4335, 4495, 4930, 5270, 5394, 5780, 5916, 6324, 6936, 7192, 7395, 7905, 8381, 8670, 8959, 8990, 9860, 10540, 10788, 11560, 11832, 12648, 13485, 14790, 15283, 15810, 16762, 17340, 17918, 17980, 19720, 21080, 21576, 25143, 26877, 26970, 29580, 30566, 31620, 33524, 34680, 35836, 35960, 41905, 44795, 45849, 50286, 53754, 53940, 59160, 61132, 63240, 67048, 71672, 76415, 83810, 89590, 91698, 100572, 107508, 107880, 122264, 125715, 134385, 152830, 167620, 179180, 183396, 201144, 215016, 229245, 251430, 259811, 268770, 305660, 335240, 358360, 366792, 458490, 502860, 519622, 537540, 611320, 779433, 916980, 1005720, 1039244, 1075080, 1299055, 1558866, 1833960, 2078488, 2598110, 3117732, 3897165, 5196220, 6235464, 7794330, 10392440, 15588660, 31177320]

約数ペア:

[(1, 31177320), (2, 15588660), (3, 10392440), (4, 7794330), (5, 6235464), (6, 5196220), (8, 3897165), (10, 3117732), (12, 2598110), (15, 2078488), (17, 1833960), (20, 1558866), (24, 1299055), (29, 1075080), (30, 1039244), (31, 1005720), (34, 916980), (40, 779433), (51, 611320), (58, 537540), (60, 519622), (62, 502860), (68, 458490), (85, 366792), (87, 358360), (93, 335240), (102, 305660), (116, 268770), (120, 259811), (124, 251430), (136, 229245), (145, 215016), (155, 201144), (170, 183396), (174, 179180), (186, 167620), (204, 152830), (232, 134385), (248, 125715), (255, 122264), (289, 107880), (290, 107508), (310, 100572), (340, 91698), (348, 89590), (372, 83810), (408, 76415), (435, 71672), (465, 67048), (493, 63240), (510, 61132), (527, 59160), (578, 53940), (580, 53754), (620, 50286), (680, 45849), (696, 44795), (744, 41905), (867, 35960), (870, 35836), (899, 34680), (930, 33524), (986, 31620), (1020, 30566), (1054, 29580), (1156, 26970), (1160, 26877), (1240, 25143), (1445, 21576), (1479, 21080), (1581, 19720), (1734, 17980), (1740, 17918), (1798, 17340), (1860, 16762), (1972, 15810), (2040, 15283), (2108, 14790), (2312, 13485), (2465, 12648), (2635, 11832), (2697, 11560), (2890, 10788), (2958, 10540), (3162, 9860), (3468, 8990), (3480, 8959), (3596, 8670), (3720, 8381), (3944, 7905), (4216, 7395), (4335, 7192), (4495, 6936), (4930, 6324), (5270, 5916), (5394, 5780)]