71345880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2182

約数の個数: 128

約数和(自身を含む): 245606400

約数和(自身を除く): 174260520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2131, 2232, 2790, 3348, 3720, 4185, 4262, 5580, 6393, 6696, 8370, 8524, 10655, 11160, 12786, 16740, 17048, 19179, 21310, 25572, 31965, 33480, 38358, 42620, 51144, 57537, 63930, 66061, 76716, 85240, 95895, 115074, 127860, 132122, 153432, 191790, 198183, 230148, 255720, 264244, 287685, 330305, 383580, 396366, 460296, 528488, 575370, 594549, 660610, 767160, 792732, 990915, 1150740, 1189098, 1321220, 1585464, 1783647, 1981830, 2301480, 2378196, 2642440, 2972745, 3567294, 3963660, 4756392, 5945490, 7134588, 7927320, 8918235, 11890980, 14269176, 17836470, 23781960, 35672940, 71345880]

約数ペア:

[(1, 71345880), (2, 35672940), (3, 23781960), (4, 17836470), (5, 14269176), (6, 11890980), (8, 8918235), (9, 7927320), (10, 7134588), (12, 5945490), (15, 4756392), (18, 3963660), (20, 3567294), (24, 2972745), (27, 2642440), (30, 2378196), (31, 2301480), (36, 1981830), (40, 1783647), (45, 1585464), (54, 1321220), (60, 1189098), (62, 1150740), (72, 990915), (90, 792732), (93, 767160), (108, 660610), (120, 594549), (124, 575370), (135, 528488), (155, 460296), (180, 396366), (186, 383580), (216, 330305), (248, 287685), (270, 264244), (279, 255720), (310, 230148), (360, 198183), (372, 191790), (465, 153432), (540, 132122), (558, 127860), (620, 115074), (744, 95895), (837, 85240), (930, 76716), (1080, 66061), (1116, 63930), (1240, 57537), (1395, 51144), (1674, 42620), (1860, 38358), (2131, 33480), (2232, 31965), (2790, 25572), (3348, 21310), (3720, 19179), (4185, 17048), (4262, 16740), (5580, 12786), (6393, 11160), (6696, 10655), (8370, 8524)]