121218160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 180

約数和(自身を含む): 351519912

約数和(自身を除く): 230301752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 107, 112, 119, 136, 140, 170, 196, 214, 238, 245, 272, 280, 289, 340, 392, 428, 476, 490, 535, 560, 578, 595, 680, 749, 784, 833, 856, 952, 980, 1070, 1156, 1190, 1360, 1445, 1498, 1666, 1712, 1819, 1904, 1960, 2023, 2140, 2312, 2380, 2890, 2996, 3332, 3638, 3745, 3920, 4046, 4165, 4280, 4624, 4760, 5243, 5780, 5992, 6664, 7276, 7490, 8092, 8330, 8560, 9095, 9520, 10115, 10486, 11560, 11984, 12733, 13328, 14161, 14552, 14980, 16184, 16660, 18190, 20230, 20972, 23120, 25466, 26215, 28322, 29104, 29960, 30923, 32368, 33320, 36380, 40460, 41944, 50932, 52430, 56644, 59920, 61846, 63665, 66640, 70805, 72760, 80920, 83888, 89131, 101864, 104860, 113288, 123692, 127330, 141610, 145520, 154615, 161840, 178262, 203728, 209720, 216461, 226576, 247384, 254660, 283220, 309230, 356524, 419440, 432922, 445655, 494768, 509320, 566440, 618460, 713048, 865844, 891310, 1018640, 1082305, 1132880, 1236920, 1426096, 1515227, 1731688, 1782620, 2164610, 2473840, 3030454, 3463376, 3565240, 4329220, 6060908, 7130480, 7576135, 8658440, 12121816, 15152270, 17316880, 24243632, 30304540, 60609080, 121218160]

約数ペア:

[(1, 121218160), (2, 60609080), (4, 30304540), (5, 24243632), (7, 17316880), (8, 15152270), (10, 12121816), (14, 8658440), (16, 7576135), (17, 7130480), (20, 6060908), (28, 4329220), (34, 3565240), (35, 3463376), (40, 3030454), (49, 2473840), (56, 2164610), (68, 1782620), (70, 1731688), (80, 1515227), (85, 1426096), (98, 1236920), (107, 1132880), (112, 1082305), (119, 1018640), (136, 891310), (140, 865844), (170, 713048), (196, 618460), (214, 566440), (238, 509320), (245, 494768), (272, 445655), (280, 432922), (289, 419440), (340, 356524), (392, 309230), (428, 283220), (476, 254660), (490, 247384), (535, 226576), (560, 216461), (578, 209720), (595, 203728), (680, 178262), (749, 161840), (784, 154615), (833, 145520), (856, 141610), (952, 127330), (980, 123692), (1070, 113288), (1156, 104860), (1190, 101864), (1360, 89131), (1445, 83888), (1498, 80920), (1666, 72760), (1712, 70805), (1819, 66640), (1904, 63665), (1960, 61846), (2023, 59920), (2140, 56644), (2312, 52430), (2380, 50932), (2890, 41944), (2996, 40460), (3332, 36380), (3638, 33320), (3745, 32368), (3920, 30923), (4046, 29960), (4165, 29104), (4280, 28322), (4624, 26215), (4760, 25466), (5243, 23120), (5780, 20972), (5992, 20230), (6664, 18190), (7276, 16660), (7490, 16184), (8092, 14980), (8330, 14552), (8560, 14161), (9095, 13328), (9520, 12733), (10115, 11984), (10486, 11560)]