215919990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:939

約数の個数: 192

約数和(自身を含む): 695036160

約数和(自身を除く): 479116170

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 19, 22, 26, 30, 33, 38, 39, 45, 55, 57, 65, 66, 78, 90, 95, 99, 110, 114, 117, 130, 143, 165, 171, 190, 195, 198, 209, 234, 247, 285, 286, 330, 342, 390, 418, 429, 494, 495, 570, 585, 627, 715, 741, 855, 858, 883, 990, 1045, 1170, 1235, 1254, 1287, 1430, 1482, 1710, 1766, 1881, 2090, 2145, 2223, 2470, 2574, 2649, 2717, 3135, 3705, 3762, 4290, 4415, 4446, 5298, 5434, 6270, 6435, 7410, 7947, 8151, 8830, 9405, 9713, 11115, 11479, 12870, 13245, 13585, 15894, 16302, 16777, 18810, 19426, 22230, 22958, 24453, 26490, 27170, 29139, 33554, 34437, 39735, 40755, 48565, 48906, 50331, 57395, 58278, 68874, 79470, 81510, 83885, 87417, 97130, 100662, 103311, 114790, 122265, 126269, 145695, 150993, 167770, 172185, 174834, 184547, 206622, 218101, 244530, 251655, 252538, 291390, 301986, 344370, 369094, 378807, 436202, 437085, 503310, 516555, 553641, 631345, 654303, 754965, 757614, 874170, 922735, 1033110, 1090505, 1107282, 1136421, 1262690, 1308606, 1509930, 1660923, 1845470, 1894035, 1962909, 2181010, 2272842, 2399111, 2768205, 3271515, 3321846, 3788070, 3925818, 4798222, 5536410, 5682105, 6543030, 7197333, 8304615, 9814545, 11364210, 11995555, 14394666, 16609230, 19629090, 21591999, 23991110, 35986665, 43183998, 71973330, 107959995, 215919990]

約数ペア:

[(1, 215919990), (2, 107959995), (3, 71973330), (5, 43183998), (6, 35986665), (9, 23991110), (10, 21591999), (11, 19629090), (13, 16609230), (15, 14394666), (18, 11995555), (19, 11364210), (22, 9814545), (26, 8304615), (30, 7197333), (33, 6543030), (38, 5682105), (39, 5536410), (45, 4798222), (55, 3925818), (57, 3788070), (65, 3321846), (66, 3271515), (78, 2768205), (90, 2399111), (95, 2272842), (99, 2181010), (110, 1962909), (114, 1894035), (117, 1845470), (130, 1660923), (143, 1509930), (165, 1308606), (171, 1262690), (190, 1136421), (195, 1107282), (198, 1090505), (209, 1033110), (234, 922735), (247, 874170), (285, 757614), (286, 754965), (330, 654303), (342, 631345), (390, 553641), (418, 516555), (429, 503310), (494, 437085), (495, 436202), (570, 378807), (585, 369094), (627, 344370), (715, 301986), (741, 291390), (855, 252538), (858, 251655), (883, 244530), (990, 218101), (1045, 206622), (1170, 184547), (1235, 174834), (1254, 172185), (1287, 167770), (1430, 150993), (1482, 145695), (1710, 126269), (1766, 122265), (1881, 114790), (2090, 103311), (2145, 100662), (2223, 97130), (2470, 87417), (2574, 83885), (2649, 81510), (2717, 79470), (3135, 68874), (3705, 58278), (3762, 57395), (4290, 50331), (4415, 48906), (4446, 48565), (5298, 40755), (5434, 39735), (6270, 34437), (6435, 33554), (7410, 29139), (7947, 27170), (8151, 26490), (8830, 24453), (9405, 22958), (9713, 22230), (11115, 19426), (11479, 18810), (12870, 16777), (13245, 16302), (13585, 15894)]