30428720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:898

約数の個数: 80

約数和(自身を含む): 82161408

約数和(自身を除く): 51732688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 811, 938, 1072, 1340, 1622, 1876, 2345, 2680, 3244, 3752, 4055, 4690, 5360, 5677, 6488, 7504, 8110, 9380, 11354, 12976, 16220, 18760, 22708, 28385, 32440, 37520, 45416, 54337, 56770, 64880, 90832, 108674, 113540, 217348, 227080, 271685, 380359, 434696, 454160, 543370, 760718, 869392, 1086740, 1521436, 1901795, 2173480, 3042872, 3803590, 4346960, 6085744, 7607180, 15214360, 30428720]

約数ペア:

[(1, 30428720), (2, 15214360), (4, 7607180), (5, 6085744), (7, 4346960), (8, 3803590), (10, 3042872), (14, 2173480), (16, 1901795), (20, 1521436), (28, 1086740), (35, 869392), (40, 760718), (56, 543370), (67, 454160), (70, 434696), (80, 380359), (112, 271685), (134, 227080), (140, 217348), (268, 113540), (280, 108674), (335, 90832), (469, 64880), (536, 56770), (560, 54337), (670, 45416), (811, 37520), (938, 32440), (1072, 28385), (1340, 22708), (1622, 18760), (1876, 16220), (2345, 12976), (2680, 11354), (3244, 9380), (3752, 8110), (4055, 7504), (4690, 6488), (5360, 5677)]