81720343376

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{372839}}^1$

素因数の和:372976

約数の個数: 80

約数和(自身を含む): 192325785600

約数和(自身を除く): 110605442224

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 103, 112, 133, 152, 206, 266, 304, 412, 532, 721, 824, 1064, 1442, 1648, 1957, 2128, 2884, 3914, 5768, 7828, 11536, 13699, 15656, 27398, 31312, 54796, 109592, 219184, 372839, 745678, 1491356, 2609873, 2982712, 5219746, 5965424, 7083941, 10439492, 14167882, 20878984, 28335764, 38402417, 41757968, 49587587, 56671528, 76804834, 99175174, 113343056, 153609668, 198350348, 268816919, 307219336, 396700696, 537633838, 614438672, 729645923, 793401392, 1075267676, 1459291846, 2150535352, 2918583692, 4301070704, 5107521461, 5837167384, 10215042922, 11674334768, 20430085844, 40860171688, 81720343376]

約数ペア:

[(1, 81720343376), (2, 40860171688), (4, 20430085844), (7, 11674334768), (8, 10215042922), (14, 5837167384), (16, 5107521461), (19, 4301070704), (28, 2918583692), (38, 2150535352), (56, 1459291846), (76, 1075267676), (103, 793401392), (112, 729645923), (133, 614438672), (152, 537633838), (206, 396700696), (266, 307219336), (304, 268816919), (412, 198350348), (532, 153609668), (721, 113343056), (824, 99175174), (1064, 76804834), (1442, 56671528), (1648, 49587587), (1957, 41757968), (2128, 38402417), (2884, 28335764), (3914, 20878984), (5768, 14167882), (7828, 10439492), (11536, 7083941), (13699, 5965424), (15656, 5219746), (27398, 2982712), (31312, 2609873), (54796, 1491356), (109592, 745678), (219184, 372839)]