1819966720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 288

約数和(自身を含む): 5237414784

約数和(自身を除く): 3417448064

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 61, 64, 65, 80, 88, 104, 110, 122, 128, 130, 143, 160, 163, 176, 208, 220, 244, 256, 260, 286, 305, 320, 326, 352, 416, 440, 488, 520, 572, 610, 640, 652, 671, 704, 715, 793, 815, 832, 880, 976, 1040, 1144, 1220, 1280, 1304, 1342, 1408, 1430, 1586, 1630, 1664, 1760, 1793, 1952, 2080, 2119, 2288, 2440, 2608, 2684, 2816, 2860, 3172, 3260, 3328, 3355, 3520, 3586, 3904, 3965, 4160, 4238, 4576, 4880, 5216, 5368, 5720, 6344, 6520, 6710, 7040, 7172, 7808, 7930, 8320, 8476, 8723, 8965, 9152, 9760, 9943, 10432, 10595, 10736, 11440, 12688, 13040, 13420, 14080, 14344, 15616, 15860, 16640, 16952, 17446, 17930, 18304, 19520, 19886, 20864, 21190, 21472, 22880, 23309, 25376, 26080, 26840, 28688, 31720, 33904, 34892, 35860, 36608, 39040, 39772, 41728, 42380, 42944, 43615, 45760, 46618, 49715, 50752, 52160, 53680, 57376, 63440, 67808, 69784, 71720, 78080, 79544, 84760, 85888, 87230, 91520, 93236, 99430, 101504, 104320, 107360, 109373, 114752, 116545, 126880, 129259, 135616, 139568, 143440, 159088, 169520, 171776, 174460, 183040, 186472, 198860, 203008, 208640, 214720, 218746, 229504, 233090, 253760, 258518, 271232, 279136, 286880, 318176, 339040, 348920, 372944, 397720, 429440, 437492, 459008, 466180, 507520, 517036, 542464, 546865, 558272, 573760, 636352, 646295, 678080, 697840, 745888, 795440, 858880, 874984, 932360, 1015040, 1034072, 1093730, 1116544, 1147520, 1272704, 1292590, 1356160, 1395680, 1421849, 1491776, 1590880, 1749968, 1864720, 2068144, 2187460, 2233088, 2295040, 2545408, 2585180, 2712320, 2791360, 2843698, 2983552, 3181760, 3499936, 3729440, 4136288, 4374920, 5170360, 5582720, 5687396, 5967104, 6363520, 6999872, 7109245, 7458880, 8272576, 8749840, 10340720, 11165440, 11374792, 12727040, 13999744, 14218490, 14917760, 16545152, 17499680, 20681440, 22749584, 27999488, 28436980, 29835520, 33090304, 34999360, 41362880, 45499168, 56873960, 69998720, 82725760, 90998336, 113747920, 139997440, 165451520, 181996672, 227495840, 363993344, 454991680, 909983360, 1819966720]

約数ペア:

[(1, 1819966720), (2, 909983360), (4, 454991680), (5, 363993344), (8, 227495840), (10, 181996672), (11, 165451520), (13, 139997440), (16, 113747920), (20, 90998336), (22, 82725760), (26, 69998720), (32, 56873960), (40, 45499168), (44, 41362880), (52, 34999360), (55, 33090304), (61, 29835520), (64, 28436980), (65, 27999488), (80, 22749584), (88, 20681440), (104, 17499680), (110, 16545152), (122, 14917760), (128, 14218490), (130, 13999744), (143, 12727040), (160, 11374792), (163, 11165440), (176, 10340720), (208, 8749840), (220, 8272576), (244, 7458880), (256, 7109245), (260, 6999872), (286, 6363520), (305, 5967104), (320, 5687396), (326, 5582720), (352, 5170360), (416, 4374920), (440, 4136288), (488, 3729440), (520, 3499936), (572, 3181760), (610, 2983552), (640, 2843698), (652, 2791360), (671, 2712320), (704, 2585180), (715, 2545408), (793, 2295040), (815, 2233088), (832, 2187460), (880, 2068144), (976, 1864720), (1040, 1749968), (1144, 1590880), (1220, 1491776), (1280, 1421849), (1304, 1395680), (1342, 1356160), (1408, 1292590), (1430, 1272704), (1586, 1147520), (1630, 1116544), (1664, 1093730), (1760, 1034072), (1793, 1015040), (1952, 932360), (2080, 874984), (2119, 858880), (2288, 795440), (2440, 745888), (2608, 697840), (2684, 678080), (2816, 646295), (2860, 636352), (3172, 573760), (3260, 558272), (3328, 546865), (3355, 542464), (3520, 517036), (3586, 507520), (3904, 466180), (3965, 459008), (4160, 437492), (4238, 429440), (4576, 397720), (4880, 372944), (5216, 348920), (5368, 339040), (5720, 318176), (6344, 286880), (6520, 279136), (6710, 271232), (7040, 258518), (7172, 253760), (7808, 233090), (7930, 229504), (8320, 218746), (8476, 214720), (8723, 208640), (8965, 203008), (9152, 198860), (9760, 186472), (9943, 183040), (10432, 174460), (10595, 171776), (10736, 169520), (11440, 159088), (12688, 143440), (13040, 139568), (13420, 135616), (14080, 129259), (14344, 126880), (15616, 116545), (15860, 114752), (16640, 109373), (16952, 107360), (17446, 104320), (17930, 101504), (18304, 99430), (19520, 93236), (19886, 91520), (20864, 87230), (21190, 85888), (21472, 84760), (22880, 79544), (23309, 78080), (25376, 71720), (26080, 69784), (26840, 67808), (28688, 63440), (31720, 57376), (33904, 53680), (34892, 52160), (35860, 50752), (36608, 49715), (39040, 46618), (39772, 45760), (41728, 43615), (42380, 42944)]