405327720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{967}}^1$

素因数の和:1487

約数の個数: 128

約数和(自身を含む): 1393920000

約数和(自身を除く): 988592280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 499, 840, 967, 998, 1497, 1934, 1996, 2495, 2901, 2994, 3493, 3868, 3992, 4835, 4990, 5802, 5988, 6769, 6986, 7485, 7736, 9670, 9980, 10479, 11604, 11976, 13538, 13972, 14505, 14970, 17465, 19340, 19960, 20307, 20958, 23208, 27076, 27944, 29010, 29940, 33845, 34930, 38680, 40614, 41916, 52395, 54152, 58020, 59880, 67690, 69860, 81228, 83832, 101535, 104790, 116040, 135380, 139720, 162456, 203070, 209580, 270760, 406140, 419160, 482533, 812280, 965066, 1447599, 1930132, 2412665, 2895198, 3377731, 3860264, 4825330, 5790396, 6755462, 7237995, 9650660, 10133193, 11580792, 13510924, 14475990, 16888655, 19301320, 20266386, 27021848, 28951980, 33777310, 40532772, 50665965, 57903960, 67554620, 81065544, 101331930, 135109240, 202663860, 405327720]

約数ペア:

[(1, 405327720), (2, 202663860), (3, 135109240), (4, 101331930), (5, 81065544), (6, 67554620), (7, 57903960), (8, 50665965), (10, 40532772), (12, 33777310), (14, 28951980), (15, 27021848), (20, 20266386), (21, 19301320), (24, 16888655), (28, 14475990), (30, 13510924), (35, 11580792), (40, 10133193), (42, 9650660), (56, 7237995), (60, 6755462), (70, 5790396), (84, 4825330), (105, 3860264), (120, 3377731), (140, 2895198), (168, 2412665), (210, 1930132), (280, 1447599), (420, 965066), (499, 812280), (840, 482533), (967, 419160), (998, 406140), (1497, 270760), (1934, 209580), (1996, 203070), (2495, 162456), (2901, 139720), (2994, 135380), (3493, 116040), (3868, 104790), (3992, 101535), (4835, 83832), (4990, 81228), (5802, 69860), (5988, 67690), (6769, 59880), (6986, 58020), (7485, 54152), (7736, 52395), (9670, 41916), (9980, 40614), (10479, 38680), (11604, 34930), (11976, 33845), (13538, 29940), (13972, 29010), (14505, 27944), (14970, 27076), (17465, 23208), (19340, 20958), (19960, 20307)]