71606920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 204456960

約数和(自身を除く): 132850040

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, 347, 385, 440, 469, 536, 616, 670, 694, 737, 770, 938, 1340, 1388, 1474, 1540, 1735, 1876, 2345, 2429, 2680, 2776, 2948, 3080, 3470, 3685, 3752, 3817, 4690, 4858, 5159, 5896, 6940, 7370, 7634, 9380, 9716, 10318, 12145, 13880, 14740, 15268, 18760, 19085, 19432, 20636, 23249, 24290, 25795, 26719, 29480, 30536, 38170, 41272, 46498, 48580, 51590, 53438, 76340, 92996, 97160, 103180, 106876, 116245, 133595, 152680, 162743, 185992, 206360, 213752, 232490, 255739, 267190, 325486, 464980, 511478, 534380, 650972, 813715, 929960, 1022956, 1068760, 1278695, 1301944, 1627430, 1790173, 2045912, 2557390, 3254860, 3580346, 5114780, 6509720, 7160692, 8950865, 10229560, 14321384, 17901730, 35803460, 71606920]

約数ペア:

[(1, 71606920), (2, 35803460), (4, 17901730), (5, 14321384), (7, 10229560), (8, 8950865), (10, 7160692), (11, 6509720), (14, 5114780), (20, 3580346), (22, 3254860), (28, 2557390), (35, 2045912), (40, 1790173), (44, 1627430), (55, 1301944), (56, 1278695), (67, 1068760), (70, 1022956), (77, 929960), (88, 813715), (110, 650972), (134, 534380), (140, 511478), (154, 464980), (220, 325486), (268, 267190), (280, 255739), (308, 232490), (335, 213752), (347, 206360), (385, 185992), (440, 162743), (469, 152680), (536, 133595), (616, 116245), (670, 106876), (694, 103180), (737, 97160), (770, 92996), (938, 76340), (1340, 53438), (1388, 51590), (1474, 48580), (1540, 46498), (1735, 41272), (1876, 38170), (2345, 30536), (2429, 29480), (2680, 26719), (2776, 25795), (2948, 24290), (3080, 23249), (3470, 20636), (3685, 19432), (3752, 19085), (3817, 18760), (4690, 15268), (4858, 14740), (5159, 13880), (5896, 12145), (6940, 10318), (7370, 9716), (7634, 9380)]