218155520

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 160

約数和(自身を含む): 584534016

約数和(自身を除く): 366378496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 64, 80, 88, 110, 122, 127, 128, 160, 176, 220, 244, 254, 256, 305, 320, 352, 440, 488, 508, 512, 610, 635, 640, 671, 704, 880, 976, 1016, 1220, 1270, 1280, 1342, 1397, 1408, 1760, 1952, 2032, 2440, 2540, 2560, 2684, 2794, 2816, 3355, 3520, 3904, 4064, 4880, 5080, 5368, 5588, 5632, 6710, 6985, 7040, 7747, 7808, 8128, 9760, 10160, 10736, 11176, 13420, 13970, 14080, 15494, 15616, 16256, 19520, 20320, 21472, 22352, 26840, 27940, 28160, 30988, 31232, 32512, 38735, 39040, 40640, 42944, 44704, 53680, 55880, 61976, 65024, 77470, 78080, 81280, 85217, 85888, 89408, 107360, 111760, 123952, 154940, 156160, 162560, 170434, 171776, 178816, 214720, 223520, 247904, 309880, 325120, 340868, 343552, 357632, 426085, 429440, 447040, 495808, 619760, 681736, 715264, 852170, 858880, 894080, 991616, 1239520, 1363472, 1704340, 1717760, 1788160, 1983232, 2479040, 2726944, 3408680, 3576320, 3966464, 4958080, 5453888, 6817360, 9916160, 10907776, 13634720, 19832320, 21815552, 27269440, 43631104, 54538880, 109077760, 218155520]

約数ペア:

[(1, 218155520), (2, 109077760), (4, 54538880), (5, 43631104), (8, 27269440), (10, 21815552), (11, 19832320), (16, 13634720), (20, 10907776), (22, 9916160), (32, 6817360), (40, 5453888), (44, 4958080), (55, 3966464), (61, 3576320), (64, 3408680), (80, 2726944), (88, 2479040), (110, 1983232), (122, 1788160), (127, 1717760), (128, 1704340), (160, 1363472), (176, 1239520), (220, 991616), (244, 894080), (254, 858880), (256, 852170), (305, 715264), (320, 681736), (352, 619760), (440, 495808), (488, 447040), (508, 429440), (512, 426085), (610, 357632), (635, 343552), (640, 340868), (671, 325120), (704, 309880), (880, 247904), (976, 223520), (1016, 214720), (1220, 178816), (1270, 171776), (1280, 170434), (1342, 162560), (1397, 156160), (1408, 154940), (1760, 123952), (1952, 111760), (2032, 107360), (2440, 89408), (2540, 85888), (2560, 85217), (2684, 81280), (2794, 78080), (2816, 77470), (3355, 65024), (3520, 61976), (3904, 55880), (4064, 53680), (4880, 44704), (5080, 42944), (5368, 40640), (5588, 39040), (5632, 38735), (6710, 32512), (6985, 31232), (7040, 30988), (7747, 28160), (7808, 27940), (8128, 26840), (9760, 22352), (10160, 21472), (10736, 20320), (11176, 19520), (13420, 16256), (13970, 15616), (14080, 15494)]