159489990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 487468800

約数和(自身を除く): 327978810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 61, 66, 90, 95, 99, 110, 114, 122, 139, 165, 171, 183, 190, 198, 209, 278, 285, 305, 330, 342, 366, 417, 418, 495, 549, 570, 610, 627, 671, 695, 834, 855, 915, 990, 1045, 1098, 1159, 1251, 1254, 1342, 1390, 1529, 1710, 1830, 1881, 2013, 2085, 2090, 2318, 2502, 2641, 2745, 3058, 3135, 3355, 3477, 3762, 4026, 4170, 4587, 5282, 5490, 5795, 6039, 6255, 6270, 6710, 6954, 7645, 7923, 8479, 9174, 9405, 10065, 10431, 11590, 12078, 12510, 12749, 13205, 13761, 15290, 15846, 16958, 17385, 18810, 20130, 20862, 22935, 23769, 25437, 25498, 26410, 27522, 29051, 30195, 34770, 38247, 39615, 42395, 45870, 47538, 50874, 52155, 58102, 60390, 63745, 68805, 76311, 76494, 79230, 84790, 87153, 93269, 104310, 114741, 118845, 127185, 127490, 137610, 145255, 152622, 161101, 174306, 186538, 191235, 229482, 237690, 254370, 261459, 279807, 290510, 322202, 381555, 382470, 435765, 466345, 483303, 522918, 559614, 573705, 763110, 805505, 839421, 871530, 932690, 966606, 1147410, 1307295, 1399035, 1449909, 1611010, 1678842, 1772111, 2416515, 2614590, 2798070, 2899818, 3544222, 4197105, 4833030, 5316333, 7249545, 8394210, 8860555, 10632666, 14499090, 15948999, 17721110, 26581665, 31897998, 53163330, 79744995, 159489990]

約数ペア:

[(1, 159489990), (2, 79744995), (3, 53163330), (5, 31897998), (6, 26581665), (9, 17721110), (10, 15948999), (11, 14499090), (15, 10632666), (18, 8860555), (19, 8394210), (22, 7249545), (30, 5316333), (33, 4833030), (38, 4197105), (45, 3544222), (55, 2899818), (57, 2798070), (61, 2614590), (66, 2416515), (90, 1772111), (95, 1678842), (99, 1611010), (110, 1449909), (114, 1399035), (122, 1307295), (139, 1147410), (165, 966606), (171, 932690), (183, 871530), (190, 839421), (198, 805505), (209, 763110), (278, 573705), (285, 559614), (305, 522918), (330, 483303), (342, 466345), (366, 435765), (417, 382470), (418, 381555), (495, 322202), (549, 290510), (570, 279807), (610, 261459), (627, 254370), (671, 237690), (695, 229482), (834, 191235), (855, 186538), (915, 174306), (990, 161101), (1045, 152622), (1098, 145255), (1159, 137610), (1251, 127490), (1254, 127185), (1342, 118845), (1390, 114741), (1529, 104310), (1710, 93269), (1830, 87153), (1881, 84790), (2013, 79230), (2085, 76494), (2090, 76311), (2318, 68805), (2502, 63745), (2641, 60390), (2745, 58102), (3058, 52155), (3135, 50874), (3355, 47538), (3477, 45870), (3762, 42395), (4026, 39615), (4170, 38247), (4587, 34770), (5282, 30195), (5490, 29051), (5795, 27522), (6039, 26410), (6255, 25498), (6270, 25437), (6710, 23769), (6954, 22935), (7645, 20862), (7923, 20130), (8479, 18810), (9174, 17385), (9405, 16958), (10065, 15846), (10431, 15290), (11590, 13761), (12078, 13205), (12510, 12749)]