20385943680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{134401}}^1$

素因数の和:134502

約数の個数: 128

約数和(自身を含む): 65803219200

約数和(自身を除く): 45417275520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1580, 1896, 1920, 2370, 2528, 3160, 3792, 4740, 5056, 6320, 7584, 9480, 10112, 12640, 15168, 18960, 25280, 30336, 37920, 50560, 75840, 134401, 151680, 268802, 403203, 537604, 672005, 806406, 1075208, 1344010, 1612812, 2016015, 2150416, 2688020, 3225624, 4032030, 4300832, 5376040, 6451248, 8064060, 8601664, 10617679, 10752080, 12902496, 16128120, 17203328, 21235358, 21504160, 25804992, 31853037, 32256240, 42470716, 43008320, 51609984, 53088395, 63706074, 64512480, 84941432, 86016640, 106176790, 127412148, 129024960, 159265185, 169882864, 212353580, 254824296, 258049920, 318530370, 339765728, 424707160, 509648592, 637060740, 679531456, 849414320, 1019297184, 1274121480, 1359062912, 1698828640, 2038594368, 2548242960, 3397657280, 4077188736, 5096485920, 6795314560, 10192971840, 20385943680]

約数ペア:

[(1, 20385943680), (2, 10192971840), (3, 6795314560), (4, 5096485920), (5, 4077188736), (6, 3397657280), (8, 2548242960), (10, 2038594368), (12, 1698828640), (15, 1359062912), (16, 1274121480), (20, 1019297184), (24, 849414320), (30, 679531456), (32, 637060740), (40, 509648592), (48, 424707160), (60, 339765728), (64, 318530370), (79, 258049920), (80, 254824296), (96, 212353580), (120, 169882864), (128, 159265185), (158, 129024960), (160, 127412148), (192, 106176790), (237, 86016640), (240, 84941432), (316, 64512480), (320, 63706074), (384, 53088395), (395, 51609984), (474, 43008320), (480, 42470716), (632, 32256240), (640, 31853037), (790, 25804992), (948, 21504160), (960, 21235358), (1185, 17203328), (1264, 16128120), (1580, 12902496), (1896, 10752080), (1920, 10617679), (2370, 8601664), (2528, 8064060), (3160, 6451248), (3792, 5376040), (4740, 4300832), (5056, 4032030), (6320, 3225624), (7584, 2688020), (9480, 2150416), (10112, 2016015), (12640, 1612812), (15168, 1344010), (18960, 1075208), (25280, 806406), (30336, 672005), (37920, 537604), (50560, 403203), (75840, 268802), (134401, 151680)]