82657120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 144

約数和(自身を含む): 244934928

約数和(自身を除く): 162277808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 811, 910, 980, 1040, 1120, 1274, 1456, 1568, 1622, 1820, 1960, 2080, 2548, 2912, 3185, 3244, 3640, 3920, 4055, 5096, 5677, 6370, 6488, 7280, 7840, 8110, 10192, 10543, 11354, 12740, 12976, 14560, 16220, 20384, 21086, 22708, 25480, 25952, 28385, 32440, 39739, 42172, 45416, 50960, 52715, 56770, 64880, 73801, 79478, 84344, 90832, 101920, 105430, 113540, 129760, 147602, 158956, 168688, 181664, 198695, 210860, 227080, 295204, 317912, 337376, 369005, 397390, 421720, 454160, 516607, 590408, 635824, 738010, 794780, 843440, 908320, 1033214, 1180816, 1271648, 1476020, 1589560, 1686880, 2066428, 2361632, 2583035, 2952040, 3179120, 4132856, 5166070, 5904080, 6358240, 8265712, 10332140, 11808160, 16531424, 20664280, 41328560, 82657120]

約数ペア:

[(1, 82657120), (2, 41328560), (4, 20664280), (5, 16531424), (7, 11808160), (8, 10332140), (10, 8265712), (13, 6358240), (14, 5904080), (16, 5166070), (20, 4132856), (26, 3179120), (28, 2952040), (32, 2583035), (35, 2361632), (40, 2066428), (49, 1686880), (52, 1589560), (56, 1476020), (65, 1271648), (70, 1180816), (80, 1033214), (91, 908320), (98, 843440), (104, 794780), (112, 738010), (130, 635824), (140, 590408), (160, 516607), (182, 454160), (196, 421720), (208, 397390), (224, 369005), (245, 337376), (260, 317912), (280, 295204), (364, 227080), (392, 210860), (416, 198695), (455, 181664), (490, 168688), (520, 158956), (560, 147602), (637, 129760), (728, 113540), (784, 105430), (811, 101920), (910, 90832), (980, 84344), (1040, 79478), (1120, 73801), (1274, 64880), (1456, 56770), (1568, 52715), (1622, 50960), (1820, 45416), (1960, 42172), (2080, 39739), (2548, 32440), (2912, 28385), (3185, 25952), (3244, 25480), (3640, 22708), (3920, 21086), (4055, 20384), (5096, 16220), (5677, 14560), (6370, 12976), (6488, 12740), (7280, 11354), (7840, 10543), (8110, 10192)]