71807840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 192

約数和(自身を含む): 203212800

約数和(自身を除く): 131404960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 26, 32, 38, 40, 46, 52, 65, 76, 79, 80, 92, 95, 104, 115, 130, 152, 158, 160, 184, 190, 208, 230, 247, 260, 299, 304, 316, 368, 380, 395, 416, 437, 460, 494, 520, 598, 608, 632, 736, 760, 790, 874, 920, 988, 1027, 1040, 1196, 1235, 1264, 1495, 1501, 1520, 1580, 1748, 1817, 1840, 1976, 2054, 2080, 2185, 2392, 2470, 2528, 2990, 3002, 3040, 3160, 3496, 3634, 3680, 3952, 4108, 4370, 4784, 4940, 5135, 5681, 5980, 6004, 6320, 6992, 7268, 7505, 7904, 8216, 8740, 9085, 9568, 9880, 10270, 11362, 11960, 12008, 12640, 13984, 14536, 15010, 16432, 17480, 18170, 19513, 19760, 20540, 22724, 23621, 23920, 24016, 28405, 29072, 30020, 32864, 34523, 34960, 36340, 39026, 39520, 41080, 45448, 47242, 47840, 48032, 56810, 58144, 60040, 69046, 69920, 72680, 78052, 82160, 90896, 94484, 97565, 113620, 118105, 120080, 138092, 145360, 156104, 164320, 172615, 181792, 188968, 195130, 227240, 236210, 240160, 276184, 290720, 312208, 345230, 377936, 390260, 448799, 454480, 472420, 552368, 624416, 690460, 755872, 780520, 897598, 908960, 944840, 1104736, 1380920, 1561040, 1795196, 1889680, 2243995, 2761840, 3122080, 3590392, 3779360, 4487990, 5523680, 7180784, 8975980, 14361568, 17951960, 35903920, 71807840]

約数ペア:

[(1, 71807840), (2, 35903920), (4, 17951960), (5, 14361568), (8, 8975980), (10, 7180784), (13, 5523680), (16, 4487990), (19, 3779360), (20, 3590392), (23, 3122080), (26, 2761840), (32, 2243995), (38, 1889680), (40, 1795196), (46, 1561040), (52, 1380920), (65, 1104736), (76, 944840), (79, 908960), (80, 897598), (92, 780520), (95, 755872), (104, 690460), (115, 624416), (130, 552368), (152, 472420), (158, 454480), (160, 448799), (184, 390260), (190, 377936), (208, 345230), (230, 312208), (247, 290720), (260, 276184), (299, 240160), (304, 236210), (316, 227240), (368, 195130), (380, 188968), (395, 181792), (416, 172615), (437, 164320), (460, 156104), (494, 145360), (520, 138092), (598, 120080), (608, 118105), (632, 113620), (736, 97565), (760, 94484), (790, 90896), (874, 82160), (920, 78052), (988, 72680), (1027, 69920), (1040, 69046), (1196, 60040), (1235, 58144), (1264, 56810), (1495, 48032), (1501, 47840), (1520, 47242), (1580, 45448), (1748, 41080), (1817, 39520), (1840, 39026), (1976, 36340), (2054, 34960), (2080, 34523), (2185, 32864), (2392, 30020), (2470, 29072), (2528, 28405), (2990, 24016), (3002, 23920), (3040, 23621), (3160, 22724), (3496, 20540), (3634, 19760), (3680, 19513), (3952, 18170), (4108, 17480), (4370, 16432), (4784, 15010), (4940, 14536), (5135, 13984), (5681, 12640), (5980, 12008), (6004, 11960), (6320, 11362), (6992, 10270), (7268, 9880), (7505, 9568), (7904, 9085), (8216, 8740)]