1990641180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{127}}^2$

素因数の和:305

約数の個数: 216

約数和(自身を含む): 6538435344

約数和(自身を除く): 4547794164

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 121, 127, 132, 165, 170, 187, 204, 220, 242, 254, 255, 330, 340, 363, 374, 381, 484, 508, 510, 561, 605, 635, 660, 726, 748, 762, 935, 1020, 1122, 1210, 1270, 1397, 1452, 1524, 1815, 1870, 1905, 2057, 2159, 2244, 2420, 2540, 2794, 2805, 3630, 3740, 3810, 4114, 4191, 4318, 5588, 5610, 6171, 6477, 6985, 7260, 7620, 8228, 8382, 8636, 10285, 10795, 11220, 12342, 12954, 13970, 15367, 16129, 16764, 20570, 20955, 21590, 23749, 24684, 25908, 27940, 30734, 30855, 32258, 32385, 41140, 41910, 43180, 46101, 47498, 48387, 61468, 61710, 64516, 64770, 71247, 76835, 80645, 83820, 92202, 94996, 96774, 118745, 123420, 129540, 142494, 153670, 161290, 177419, 184404, 193548, 230505, 237490, 241935, 261239, 274193, 284988, 307340, 322580, 354838, 356235, 461010, 474980, 483870, 522478, 532257, 548386, 709676, 712470, 783717, 822579, 887095, 922020, 967740, 1044956, 1064514, 1096772, 1306195, 1370965, 1424940, 1567434, 1645158, 1774190, 1951609, 2129028, 2612390, 2661285, 2741930, 3016123, 3134868, 3290316, 3548380, 3903218, 3918585, 4112895, 5224780, 5322570, 5483860, 5854827, 6032246, 7806436, 7837170, 8225790, 9048369, 9758045, 10645140, 11709654, 12064492, 15080615, 15674340, 16451580, 18096738, 19516090, 23419308, 29274135, 30161230, 33177353, 36193476, 39032180, 45241845, 58548270, 60322460, 66354706, 90483690, 99532059, 117096540, 132709412, 165886765, 180967380, 199064118, 331773530, 398128236, 497660295, 663547060, 995320590, 1990641180]

約数ペア:

[(1, 1990641180), (2, 995320590), (3, 663547060), (4, 497660295), (5, 398128236), (6, 331773530), (10, 199064118), (11, 180967380), (12, 165886765), (15, 132709412), (17, 117096540), (20, 99532059), (22, 90483690), (30, 66354706), (33, 60322460), (34, 58548270), (44, 45241845), (51, 39032180), (55, 36193476), (60, 33177353), (66, 30161230), (68, 29274135), (85, 23419308), (102, 19516090), (110, 18096738), (121, 16451580), (127, 15674340), (132, 15080615), (165, 12064492), (170, 11709654), (187, 10645140), (204, 9758045), (220, 9048369), (242, 8225790), (254, 7837170), (255, 7806436), (330, 6032246), (340, 5854827), (363, 5483860), (374, 5322570), (381, 5224780), (484, 4112895), (508, 3918585), (510, 3903218), (561, 3548380), (605, 3290316), (635, 3134868), (660, 3016123), (726, 2741930), (748, 2661285), (762, 2612390), (935, 2129028), (1020, 1951609), (1122, 1774190), (1210, 1645158), (1270, 1567434), (1397, 1424940), (1452, 1370965), (1524, 1306195), (1815, 1096772), (1870, 1064514), (1905, 1044956), (2057, 967740), (2159, 922020), (2244, 887095), (2420, 822579), (2540, 783717), (2794, 712470), (2805, 709676), (3630, 548386), (3740, 532257), (3810, 522478), (4114, 483870), (4191, 474980), (4318, 461010), (5588, 356235), (5610, 354838), (6171, 322580), (6477, 307340), (6985, 284988), (7260, 274193), (7620, 261239), (8228, 241935), (8382, 237490), (8636, 230505), (10285, 193548), (10795, 184404), (11220, 177419), (12342, 161290), (12954, 153670), (13970, 142494), (15367, 129540), (16129, 123420), (16764, 118745), (20570, 96774), (20955, 94996), (21590, 92202), (23749, 83820), (24684, 80645), (25908, 76835), (27940, 71247), (30734, 64770), (30855, 64516), (32258, 61710), (32385, 61468), (41140, 48387), (41910, 47498), (43180, 46101)]