1280810160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{5407}}^1$

素因数の和:5480

約数の個数: 240

約数和(自身を含む): 5021392896

約数和(自身を除く): 3740582736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 112, 120, 126, 140, 141, 144, 168, 180, 188, 210, 235, 240, 252, 280, 282, 315, 329, 336, 360, 376, 420, 423, 470, 504, 560, 564, 630, 658, 705, 720, 752, 840, 846, 940, 987, 1008, 1128, 1260, 1316, 1410, 1645, 1680, 1692, 1880, 1974, 2115, 2256, 2520, 2632, 2820, 2961, 3290, 3384, 3760, 3948, 4230, 4935, 5040, 5264, 5407, 5640, 5922, 6580, 6768, 7896, 8460, 9870, 10814, 11280, 11844, 13160, 14805, 15792, 16221, 16920, 19740, 21628, 23688, 26320, 27035, 29610, 32442, 33840, 37849, 39480, 43256, 47376, 48663, 54070, 59220, 64884, 75698, 78960, 81105, 86512, 97326, 108140, 113547, 118440, 129768, 151396, 162210, 189245, 194652, 216280, 227094, 236880, 243315, 254129, 259536, 302792, 324420, 340641, 378490, 389304, 432560, 454188, 486630, 508258, 567735, 605584, 648840, 681282, 756980, 762387, 778608, 908376, 973260, 1016516, 1135470, 1270645, 1297680, 1362564, 1513960, 1524774, 1703205, 1778903, 1816752, 1946520, 2033032, 2270940, 2287161, 2541290, 2725128, 3027920, 3049548, 3406410, 3557806, 3811935, 3893040, 4066064, 4541880, 4574322, 5082580, 5336709, 5450256, 6099096, 6812820, 7115612, 7623870, 8894515, 9083760, 9148644, 10165160, 10673418, 11435805, 12198192, 13625640, 14231224, 15247740, 16010127, 17789030, 18297288, 20330320, 21346836, 22871610, 26683545, 27251280, 28462448, 30495480, 32020254, 35578060, 36594576, 42693672, 45743220, 53367090, 60990960, 64040508, 71156120, 80050635, 85387344, 91486440, 106734180, 128081016, 142312240, 160101270, 182972880, 213468360, 256162032, 320202540, 426936720, 640405080, 1280810160]

約数ペア:

[(1, 1280810160), (2, 640405080), (3, 426936720), (4, 320202540), (5, 256162032), (6, 213468360), (7, 182972880), (8, 160101270), (9, 142312240), (10, 128081016), (12, 106734180), (14, 91486440), (15, 85387344), (16, 80050635), (18, 71156120), (20, 64040508), (21, 60990960), (24, 53367090), (28, 45743220), (30, 42693672), (35, 36594576), (36, 35578060), (40, 32020254), (42, 30495480), (45, 28462448), (47, 27251280), (48, 26683545), (56, 22871610), (60, 21346836), (63, 20330320), (70, 18297288), (72, 17789030), (80, 16010127), (84, 15247740), (90, 14231224), (94, 13625640), (105, 12198192), (112, 11435805), (120, 10673418), (126, 10165160), (140, 9148644), (141, 9083760), (144, 8894515), (168, 7623870), (180, 7115612), (188, 6812820), (210, 6099096), (235, 5450256), (240, 5336709), (252, 5082580), (280, 4574322), (282, 4541880), (315, 4066064), (329, 3893040), (336, 3811935), (360, 3557806), (376, 3406410), (420, 3049548), (423, 3027920), (470, 2725128), (504, 2541290), (560, 2287161), (564, 2270940), (630, 2033032), (658, 1946520), (705, 1816752), (720, 1778903), (752, 1703205), (840, 1524774), (846, 1513960), (940, 1362564), (987, 1297680), (1008, 1270645), (1128, 1135470), (1260, 1016516), (1316, 973260), (1410, 908376), (1645, 778608), (1680, 762387), (1692, 756980), (1880, 681282), (1974, 648840), (2115, 605584), (2256, 567735), (2520, 508258), (2632, 486630), (2820, 454188), (2961, 432560), (3290, 389304), (3384, 378490), (3760, 340641), (3948, 324420), (4230, 302792), (4935, 259536), (5040, 254129), (5264, 243315), (5407, 236880), (5640, 227094), (5922, 216280), (6580, 194652), (6768, 189245), (7896, 162210), (8460, 151396), (9870, 129768), (10814, 118440), (11280, 113547), (11844, 108140), (13160, 97326), (14805, 86512), (15792, 81105), (16221, 78960), (16920, 75698), (19740, 64884), (21628, 59220), (23688, 54070), (26320, 48663), (27035, 47376), (29610, 43256), (32442, 39480), (33840, 37849)]