19993128840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{811}}^1$

素因数の和:953

約数の個数: 288

約数和(自身を含む): 68615688960

約数和(自身を除く): 48622560120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 47, 60, 62, 72, 90, 93, 94, 120, 124, 141, 155, 180, 186, 188, 235, 248, 279, 282, 310, 360, 372, 376, 423, 465, 470, 558, 564, 620, 705, 744, 811, 846, 930, 940, 1116, 1128, 1240, 1395, 1410, 1457, 1622, 1692, 1860, 1880, 2115, 2209, 2232, 2433, 2790, 2820, 2914, 3244, 3384, 3720, 4055, 4230, 4371, 4418, 4866, 5580, 5640, 5828, 6488, 6627, 7285, 7299, 8110, 8460, 8742, 8836, 9732, 11045, 11160, 11656, 12165, 13113, 13254, 14570, 14598, 16220, 16920, 17484, 17672, 19464, 19881, 21855, 22090, 24330, 25141, 26226, 26508, 29140, 29196, 32440, 33135, 34968, 36495, 38117, 39762, 43710, 44180, 48660, 50282, 52452, 53016, 58280, 58392, 65565, 66270, 68479, 72990, 75423, 76234, 79524, 87420, 88360, 97320, 99405, 100564, 104904, 114351, 125705, 131130, 132540, 136958, 145980, 150846, 152468, 159048, 174840, 190585, 198810, 201128, 205437, 226269, 228702, 251410, 262260, 265080, 273916, 291960, 301692, 304936, 342395, 343053, 377115, 381170, 397620, 410874, 452538, 457404, 502820, 524520, 547832, 571755, 603384, 616311, 684790, 686106, 754230, 762340, 795240, 821748, 905076, 914808, 1005640, 1027185, 1131345, 1143510, 1181627, 1232622, 1369580, 1372212, 1508460, 1524680, 1643496, 1715265, 1791499, 1810152, 2054370, 2262690, 2287020, 2363254, 2465244, 2739160, 2744424, 3016920, 3081555, 3430530, 3544881, 3582998, 4108740, 4525380, 4574040, 4726508, 4930488, 5374497, 5908135, 6163110, 6861060, 7089762, 7165996, 8217480, 8957495, 9050760, 9453016, 10634643, 10748994, 11816270, 12326220, 13722120, 14179524, 14331992, 16123491, 17724405, 17914990, 21269286, 21497988, 23632540, 24652440, 26872485, 28359048, 32246982, 35448810, 35829980, 42538572, 42995976, 47265080, 53173215, 53744970, 55536469, 64493964, 70897620, 71659960, 80617455, 85077144, 106346430, 107489940, 111072938, 128987928, 141795240, 161234910, 166609407, 212692860, 214979880, 222145876, 277682345, 322469820, 333218814, 425385720, 444291752, 499828221, 555364690, 644939640, 666437628, 833047035, 999656442, 1110729380, 1332875256, 1666094070, 1999312884, 2221458760, 2499141105, 3332188140, 3998625768, 4998282210, 6664376280, 9996564420, 19993128840]

約数ペア:

[(1, 19993128840), (2, 9996564420), (3, 6664376280), (4, 4998282210), (5, 3998625768), (6, 3332188140), (8, 2499141105), (9, 2221458760), (10, 1999312884), (12, 1666094070), (15, 1332875256), (18, 1110729380), (20, 999656442), (24, 833047035), (30, 666437628), (31, 644939640), (36, 555364690), (40, 499828221), (45, 444291752), (47, 425385720), (60, 333218814), (62, 322469820), (72, 277682345), (90, 222145876), (93, 214979880), (94, 212692860), (120, 166609407), (124, 161234910), (141, 141795240), (155, 128987928), (180, 111072938), (186, 107489940), (188, 106346430), (235, 85077144), (248, 80617455), (279, 71659960), (282, 70897620), (310, 64493964), (360, 55536469), (372, 53744970), (376, 53173215), (423, 47265080), (465, 42995976), (470, 42538572), (558, 35829980), (564, 35448810), (620, 32246982), (705, 28359048), (744, 26872485), (811, 24652440), (846, 23632540), (930, 21497988), (940, 21269286), (1116, 17914990), (1128, 17724405), (1240, 16123491), (1395, 14331992), (1410, 14179524), (1457, 13722120), (1622, 12326220), (1692, 11816270), (1860, 10748994), (1880, 10634643), (2115, 9453016), (2209, 9050760), (2232, 8957495), (2433, 8217480), (2790, 7165996), (2820, 7089762), (2914, 6861060), (3244, 6163110), (3384, 5908135), (3720, 5374497), (4055, 4930488), (4230, 4726508), (4371, 4574040), (4418, 4525380), (4866, 4108740), (5580, 3582998), (5640, 3544881), (5828, 3430530), (6488, 3081555), (6627, 3016920), (7285, 2744424), (7299, 2739160), (8110, 2465244), (8460, 2363254), (8742, 2287020), (8836, 2262690), (9732, 2054370), (11045, 1810152), (11160, 1791499), (11656, 1715265), (12165, 1643496), (13113, 1524680), (13254, 1508460), (14570, 1372212), (14598, 1369580), (16220, 1232622), (16920, 1181627), (17484, 1143510), (17672, 1131345), (19464, 1027185), (19881, 1005640), (21855, 914808), (22090, 905076), (24330, 821748), (25141, 795240), (26226, 762340), (26508, 754230), (29140, 686106), (29196, 684790), (32440, 616311), (33135, 603384), (34968, 571755), (36495, 547832), (38117, 524520), (39762, 502820), (43710, 457404), (44180, 452538), (48660, 410874), (50282, 397620), (52452, 381170), (53016, 377115), (58280, 343053), (58392, 342395), (65565, 304936), (66270, 301692), (68479, 291960), (72990, 273916), (75423, 265080), (76234, 262260), (79524, 251410), (87420, 228702), (88360, 226269), (97320, 205437), (99405, 201128), (100564, 198810), (104904, 190585), (114351, 174840), (125705, 159048), (131130, 152468), (132540, 150846), (136958, 145980)]