205465440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:581

約数の個数: 192

約数和(自身を含む): 694987776

約数和(自身を除く): 489522336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 37, 40, 46, 48, 60, 69, 74, 80, 92, 96, 111, 115, 120, 138, 148, 160, 184, 185, 222, 230, 240, 276, 296, 345, 368, 370, 444, 460, 480, 503, 552, 555, 592, 690, 736, 740, 851, 888, 920, 1006, 1104, 1110, 1184, 1380, 1480, 1509, 1702, 1776, 1840, 2012, 2208, 2220, 2515, 2553, 2760, 2960, 3018, 3404, 3552, 3680, 4024, 4255, 4440, 5030, 5106, 5520, 5920, 6036, 6808, 7545, 8048, 8510, 8880, 10060, 10212, 11040, 11569, 12072, 12765, 13616, 15090, 16096, 17020, 17760, 18611, 20120, 20424, 23138, 24144, 25530, 27232, 30180, 34040, 34707, 37222, 40240, 40848, 46276, 48288, 51060, 55833, 57845, 60360, 68080, 69414, 74444, 80480, 81696, 92552, 93055, 102120, 111666, 115690, 120720, 136160, 138828, 148888, 173535, 185104, 186110, 204240, 223332, 231380, 241440, 277656, 279165, 297776, 347070, 370208, 372220, 408480, 428053, 446664, 462760, 555312, 558330, 595552, 694140, 744440, 856106, 893328, 925520, 1110624, 1116660, 1284159, 1388280, 1488880, 1712212, 1786656, 1851040, 2140265, 2233320, 2568318, 2776560, 2977760, 3424424, 4280530, 4466640, 5136636, 5553120, 6420795, 6848848, 8561060, 8933280, 10273272, 12841590, 13697696, 17122120, 20546544, 25683180, 34244240, 41093088, 51366360, 68488480, 102732720, 205465440]

約数ペア:

[(1, 205465440), (2, 102732720), (3, 68488480), (4, 51366360), (5, 41093088), (6, 34244240), (8, 25683180), (10, 20546544), (12, 17122120), (15, 13697696), (16, 12841590), (20, 10273272), (23, 8933280), (24, 8561060), (30, 6848848), (32, 6420795), (37, 5553120), (40, 5136636), (46, 4466640), (48, 4280530), (60, 3424424), (69, 2977760), (74, 2776560), (80, 2568318), (92, 2233320), (96, 2140265), (111, 1851040), (115, 1786656), (120, 1712212), (138, 1488880), (148, 1388280), (160, 1284159), (184, 1116660), (185, 1110624), (222, 925520), (230, 893328), (240, 856106), (276, 744440), (296, 694140), (345, 595552), (368, 558330), (370, 555312), (444, 462760), (460, 446664), (480, 428053), (503, 408480), (552, 372220), (555, 370208), (592, 347070), (690, 297776), (736, 279165), (740, 277656), (851, 241440), (888, 231380), (920, 223332), (1006, 204240), (1104, 186110), (1110, 185104), (1184, 173535), (1380, 148888), (1480, 138828), (1509, 136160), (1702, 120720), (1776, 115690), (1840, 111666), (2012, 102120), (2208, 93055), (2220, 92552), (2515, 81696), (2553, 80480), (2760, 74444), (2960, 69414), (3018, 68080), (3404, 60360), (3552, 57845), (3680, 55833), (4024, 51060), (4255, 48288), (4440, 46276), (5030, 40848), (5106, 40240), (5520, 37222), (5920, 34707), (6036, 34040), (6808, 30180), (7545, 27232), (8048, 25530), (8510, 24144), (8880, 23138), (10060, 20424), (10212, 20120), (11040, 18611), (11569, 17760), (12072, 17020), (12765, 16096), (13616, 15090)]