320618160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1080

約数の個数: 240

約数和(自身を含む): 1183852800

約数和(自身を除く): 863234640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 36, 38, 40, 45, 46, 48, 57, 60, 69, 72, 76, 80, 90, 92, 95, 114, 115, 120, 138, 144, 152, 171, 180, 184, 190, 207, 228, 230, 240, 276, 285, 304, 342, 345, 360, 368, 380, 414, 437, 456, 460, 552, 570, 684, 690, 720, 760, 828, 855, 874, 912, 920, 1019, 1035, 1104, 1140, 1311, 1368, 1380, 1520, 1656, 1710, 1748, 1840, 2038, 2070, 2185, 2280, 2622, 2736, 2760, 3057, 3312, 3420, 3496, 3933, 4076, 4140, 4370, 4560, 5095, 5244, 5520, 6114, 6555, 6840, 6992, 7866, 8152, 8280, 8740, 9171, 10190, 10488, 12228, 13110, 13680, 15285, 15732, 16304, 16560, 17480, 18342, 19361, 19665, 20380, 20976, 23437, 24456, 26220, 30570, 31464, 34960, 36684, 38722, 39330, 40760, 45855, 46874, 48912, 52440, 58083, 61140, 62928, 70311, 73368, 77444, 78660, 81520, 91710, 93748, 96805, 104880, 116166, 117185, 122280, 140622, 146736, 154888, 157320, 174249, 183420, 187496, 193610, 210933, 232332, 234370, 244560, 281244, 290415, 309776, 314640, 348498, 351555, 366840, 374992, 387220, 421866, 445303, 464664, 468740, 562488, 580830, 696996, 703110, 733680, 774440, 843732, 871245, 890606, 929328, 937480, 1054665, 1124976, 1161660, 1335909, 1393992, 1406220, 1548880, 1687464, 1742490, 1781212, 1874960, 2109330, 2226515, 2323320, 2671818, 2787984, 2812440, 3374928, 3484980, 3562424, 4007727, 4218660, 4453030, 4646640, 5343636, 5624880, 6679545, 6969960, 7124848, 8015454, 8437320, 8906060, 10687272, 13359090, 13939920, 16030908, 16874640, 17812120, 20038635, 21374544, 26718180, 32061816, 35624240, 40077270, 53436360, 64123632, 80154540, 106872720, 160309080, 320618160]

約数ペア:

[(1, 320618160), (2, 160309080), (3, 106872720), (4, 80154540), (5, 64123632), (6, 53436360), (8, 40077270), (9, 35624240), (10, 32061816), (12, 26718180), (15, 21374544), (16, 20038635), (18, 17812120), (19, 16874640), (20, 16030908), (23, 13939920), (24, 13359090), (30, 10687272), (36, 8906060), (38, 8437320), (40, 8015454), (45, 7124848), (46, 6969960), (48, 6679545), (57, 5624880), (60, 5343636), (69, 4646640), (72, 4453030), (76, 4218660), (80, 4007727), (90, 3562424), (92, 3484980), (95, 3374928), (114, 2812440), (115, 2787984), (120, 2671818), (138, 2323320), (144, 2226515), (152, 2109330), (171, 1874960), (180, 1781212), (184, 1742490), (190, 1687464), (207, 1548880), (228, 1406220), (230, 1393992), (240, 1335909), (276, 1161660), (285, 1124976), (304, 1054665), (342, 937480), (345, 929328), (360, 890606), (368, 871245), (380, 843732), (414, 774440), (437, 733680), (456, 703110), (460, 696996), (552, 580830), (570, 562488), (684, 468740), (690, 464664), (720, 445303), (760, 421866), (828, 387220), (855, 374992), (874, 366840), (912, 351555), (920, 348498), (1019, 314640), (1035, 309776), (1104, 290415), (1140, 281244), (1311, 244560), (1368, 234370), (1380, 232332), (1520, 210933), (1656, 193610), (1710, 187496), (1748, 183420), (1840, 174249), (2038, 157320), (2070, 154888), (2185, 146736), (2280, 140622), (2622, 122280), (2736, 117185), (2760, 116166), (3057, 104880), (3312, 96805), (3420, 93748), (3496, 91710), (3933, 81520), (4076, 78660), (4140, 77444), (4370, 73368), (4560, 70311), (5095, 62928), (5244, 61140), (5520, 58083), (6114, 52440), (6555, 48912), (6840, 46874), (6992, 45855), (7866, 40760), (8152, 39330), (8280, 38722), (8740, 36684), (9171, 34960), (10190, 31464), (10488, 30570), (12228, 26220), (13110, 24456), (13680, 23437), (15285, 20976), (15732, 20380), (16304, 19665), (16560, 19361), (17480, 18342)]