749278440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 192

約数和(自身を含む): 2522520000

約数和(自身を除く): 1773241560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 97, 120, 129, 172, 180, 194, 215, 258, 291, 344, 360, 387, 388, 430, 485, 499, 516, 582, 645, 774, 776, 860, 873, 970, 998, 1032, 1164, 1290, 1455, 1497, 1548, 1720, 1746, 1935, 1940, 1996, 2328, 2495, 2580, 2910, 2994, 3096, 3492, 3870, 3880, 3992, 4171, 4365, 4491, 4990, 5160, 5820, 5988, 6984, 7485, 7740, 8342, 8730, 8982, 9980, 11640, 11976, 12513, 14970, 15480, 16684, 17460, 17964, 19960, 20855, 21457, 22455, 25026, 29940, 33368, 34920, 35928, 37539, 41710, 42914, 44910, 48403, 50052, 59880, 62565, 64371, 75078, 83420, 85828, 89820, 96806, 100104, 107285, 125130, 128742, 145209, 150156, 166840, 171656, 179640, 187695, 193113, 193612, 214570, 242015, 250260, 257484, 290418, 300312, 321855, 375390, 386226, 387224, 429140, 435627, 484030, 500520, 514968, 580836, 643710, 726045, 750780, 772452, 858280, 871254, 965565, 968060, 1161672, 1287420, 1452090, 1501560, 1544904, 1742508, 1931130, 1936120, 2081329, 2178135, 2574840, 2904180, 3485016, 3862260, 4162658, 4356270, 5808360, 6243987, 7724520, 8325316, 8712540, 10406645, 12487974, 16650632, 17425080, 18731961, 20813290, 24975948, 31219935, 37463922, 41626580, 49951896, 62439870, 74927844, 83253160, 93659805, 124879740, 149855688, 187319610, 249759480, 374639220, 749278440]

約数ペア:

[(1, 749278440), (2, 374639220), (3, 249759480), (4, 187319610), (5, 149855688), (6, 124879740), (8, 93659805), (9, 83253160), (10, 74927844), (12, 62439870), (15, 49951896), (18, 41626580), (20, 37463922), (24, 31219935), (30, 24975948), (36, 20813290), (40, 18731961), (43, 17425080), (45, 16650632), (60, 12487974), (72, 10406645), (86, 8712540), (90, 8325316), (97, 7724520), (120, 6243987), (129, 5808360), (172, 4356270), (180, 4162658), (194, 3862260), (215, 3485016), (258, 2904180), (291, 2574840), (344, 2178135), (360, 2081329), (387, 1936120), (388, 1931130), (430, 1742508), (485, 1544904), (499, 1501560), (516, 1452090), (582, 1287420), (645, 1161672), (774, 968060), (776, 965565), (860, 871254), (873, 858280), (970, 772452), (998, 750780), (1032, 726045), (1164, 643710), (1290, 580836), (1455, 514968), (1497, 500520), (1548, 484030), (1720, 435627), (1746, 429140), (1935, 387224), (1940, 386226), (1996, 375390), (2328, 321855), (2495, 300312), (2580, 290418), (2910, 257484), (2994, 250260), (3096, 242015), (3492, 214570), (3870, 193612), (3880, 193113), (3992, 187695), (4171, 179640), (4365, 171656), (4491, 166840), (4990, 150156), (5160, 145209), (5820, 128742), (5988, 125130), (6984, 107285), (7485, 100104), (7740, 96806), (8342, 89820), (8730, 85828), (8982, 83420), (9980, 75078), (11640, 64371), (11976, 62565), (12513, 59880), (14970, 50052), (15480, 48403), (16684, 44910), (17460, 42914), (17964, 41710), (19960, 37539), (20855, 35928), (21457, 34920), (22455, 33368), (25026, 29940)]