205315560

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{2347}}^1$

素因数の和:2379

約数の個数: 128

約数和(自身を含む): 693129600

約数和(自身を除く): 487814040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2347, 2430, 2916, 3240, 3645, 4374, 4694, 4860, 5832, 7041, 7290, 8748, 9388, 9720, 10935, 11735, 14082, 14580, 17496, 18776, 21123, 21870, 23470, 28164, 29160, 35205, 42246, 43740, 46940, 56328, 63369, 70410, 84492, 87480, 93880, 105615, 126738, 140820, 168984, 190107, 211230, 253476, 281640, 316845, 380214, 422460, 506952, 570321, 633690, 760428, 844920, 950535, 1140642, 1267380, 1520856, 1710963, 1901070, 2281284, 2534760, 2851605, 3421926, 3802140, 4562568, 5132889, 5703210, 6843852, 7604280, 8554815, 10265778, 11406420, 13687704, 17109630, 20531556, 22812840, 25664445, 34219260, 41063112, 51328890, 68438520, 102657780, 205315560]

約数ペア:

[(1, 205315560), (2, 102657780), (3, 68438520), (4, 51328890), (5, 41063112), (6, 34219260), (8, 25664445), (9, 22812840), (10, 20531556), (12, 17109630), (15, 13687704), (18, 11406420), (20, 10265778), (24, 8554815), (27, 7604280), (30, 6843852), (36, 5703210), (40, 5132889), (45, 4562568), (54, 3802140), (60, 3421926), (72, 2851605), (81, 2534760), (90, 2281284), (108, 1901070), (120, 1710963), (135, 1520856), (162, 1267380), (180, 1140642), (216, 950535), (243, 844920), (270, 760428), (324, 633690), (360, 570321), (405, 506952), (486, 422460), (540, 380214), (648, 316845), (729, 281640), (810, 253476), (972, 211230), (1080, 190107), (1215, 168984), (1458, 140820), (1620, 126738), (1944, 105615), (2187, 93880), (2347, 87480), (2430, 84492), (2916, 70410), (3240, 63369), (3645, 56328), (4374, 46940), (4694, 43740), (4860, 42246), (5832, 35205), (7041, 29160), (7290, 28164), (8748, 23470), (9388, 21870), (9720, 21123), (10935, 18776), (11735, 17496), (14082, 14580)]