181218960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1070

約数の個数: 240

約数和(自身を含む): 690580800

約数和(自身を除く): 509361840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1019, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2038, 2223, 2280, 2340, 2470, 2736, 2964, 3057, 3120, 3420, 3705, 3952, 4076, 4446, 4560, 4680, 4940, 5095, 5928, 6114, 6840, 7410, 8152, 8892, 9171, 9360, 9880, 10190, 11115, 11856, 12228, 13247, 13680, 14820, 15285, 16304, 17784, 18342, 19361, 19760, 20380, 22230, 24456, 26494, 29640, 30570, 35568, 36684, 38722, 39741, 40760, 44460, 45855, 48912, 52988, 58083, 59280, 61140, 66235, 73368, 77444, 79482, 81520, 88920, 91710, 96805, 105976, 116166, 119223, 122280, 132470, 146736, 154888, 158964, 174249, 177840, 183420, 193610, 198705, 211952, 232332, 238446, 244560, 251693, 264940, 290415, 309776, 317928, 348498, 366840, 387220, 397410, 464664, 476892, 503386, 529880, 580830, 596115, 635856, 696996, 733680, 755079, 774440, 794820, 871245, 929328, 953784, 1006772, 1059760, 1161660, 1192230, 1258465, 1393992, 1510158, 1548880, 1589640, 1742490, 1907568, 2013544, 2265237, 2323320, 2384460, 2516930, 2787984, 3020316, 3179280, 3484980, 3775395, 4027088, 4530474, 4646640, 4768920, 5033860, 6040632, 6969960, 7550790, 9060948, 9537840, 10067720, 11326185, 12081264, 13939920, 15101580, 18121896, 20135440, 22652370, 30203160, 36243792, 45304740, 60406320, 90609480, 181218960]

約数ペア:

[(1, 181218960), (2, 90609480), (3, 60406320), (4, 45304740), (5, 36243792), (6, 30203160), (8, 22652370), (9, 20135440), (10, 18121896), (12, 15101580), (13, 13939920), (15, 12081264), (16, 11326185), (18, 10067720), (19, 9537840), (20, 9060948), (24, 7550790), (26, 6969960), (30, 6040632), (36, 5033860), (38, 4768920), (39, 4646640), (40, 4530474), (45, 4027088), (48, 3775395), (52, 3484980), (57, 3179280), (60, 3020316), (65, 2787984), (72, 2516930), (76, 2384460), (78, 2323320), (80, 2265237), (90, 2013544), (95, 1907568), (104, 1742490), (114, 1589640), (117, 1548880), (120, 1510158), (130, 1393992), (144, 1258465), (152, 1192230), (156, 1161660), (171, 1059760), (180, 1006772), (190, 953784), (195, 929328), (208, 871245), (228, 794820), (234, 774440), (240, 755079), (247, 733680), (260, 696996), (285, 635856), (304, 596115), (312, 580830), (342, 529880), (360, 503386), (380, 476892), (390, 464664), (456, 397410), (468, 387220), (494, 366840), (520, 348498), (570, 317928), (585, 309776), (624, 290415), (684, 264940), (720, 251693), (741, 244560), (760, 238446), (780, 232332), (855, 211952), (912, 198705), (936, 193610), (988, 183420), (1019, 177840), (1040, 174249), (1140, 158964), (1170, 154888), (1235, 146736), (1368, 132470), (1482, 122280), (1520, 119223), (1560, 116166), (1710, 105976), (1872, 96805), (1976, 91710), (2038, 88920), (2223, 81520), (2280, 79482), (2340, 77444), (2470, 73368), (2736, 66235), (2964, 61140), (3057, 59280), (3120, 58083), (3420, 52988), (3705, 48912), (3952, 45855), (4076, 44460), (4446, 40760), (4560, 39741), (4680, 38722), (4940, 36684), (5095, 35568), (5928, 30570), (6114, 29640), (6840, 26494), (7410, 24456), (8152, 22230), (8892, 20380), (9171, 19760), (9360, 19361), (9880, 18342), (10190, 17784), (11115, 16304), (11856, 15285), (12228, 14820), (13247, 13680)]