72019640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 133612360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 67, 70, 77, 88, 110, 134, 140, 154, 220, 268, 280, 308, 335, 349, 385, 440, 469, 536, 616, 670, 698, 737, 770, 938, 1340, 1396, 1474, 1540, 1745, 1876, 2345, 2443, 2680, 2792, 2948, 3080, 3490, 3685, 3752, 3839, 4690, 4886, 5159, 5896, 6980, 7370, 7678, 9380, 9772, 10318, 12215, 13960, 14740, 15356, 18760, 19195, 19544, 20636, 23383, 24430, 25795, 26873, 29480, 30712, 38390, 41272, 46766, 48860, 51590, 53746, 76780, 93532, 97720, 103180, 107492, 116915, 134365, 153560, 163681, 187064, 206360, 214984, 233830, 257213, 268730, 327362, 467660, 514426, 537460, 654724, 818405, 935320, 1028852, 1074920, 1286065, 1309448, 1636810, 1800491, 2057704, 2572130, 3273620, 3600982, 5144260, 6547240, 7201964, 9002455, 10288520, 14403928, 18004910, 36009820, 72019640]

約数ペア:

[(1, 72019640), (2, 36009820), (4, 18004910), (5, 14403928), (7, 10288520), (8, 9002455), (10, 7201964), (11, 6547240), (14, 5144260), (20, 3600982), (22, 3273620), (28, 2572130), (35, 2057704), (40, 1800491), (44, 1636810), (55, 1309448), (56, 1286065), (67, 1074920), (70, 1028852), (77, 935320), (88, 818405), (110, 654724), (134, 537460), (140, 514426), (154, 467660), (220, 327362), (268, 268730), (280, 257213), (308, 233830), (335, 214984), (349, 206360), (385, 187064), (440, 163681), (469, 153560), (536, 134365), (616, 116915), (670, 107492), (698, 103180), (737, 97720), (770, 93532), (938, 76780), (1340, 53746), (1396, 51590), (1474, 48860), (1540, 46766), (1745, 41272), (1876, 38390), (2345, 30712), (2443, 29480), (2680, 26873), (2792, 25795), (2948, 24430), (3080, 23383), (3490, 20636), (3685, 19544), (3752, 19195), (3839, 18760), (4690, 15356), (4886, 14740), (5159, 13960), (5896, 12215), (6980, 10318), (7370, 9772), (7678, 9380)]