81856560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:683

約数の個数: 160

約数和(自身を含む): 276768000

約数和(自身を除く): 194911440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 38, 40, 48, 57, 58, 60, 76, 80, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 240, 285, 290, 304, 348, 380, 435, 456, 464, 551, 570, 580, 619, 696, 760, 870, 912, 1102, 1140, 1160, 1238, 1392, 1520, 1653, 1740, 1857, 2204, 2280, 2320, 2476, 2755, 3095, 3306, 3480, 3714, 4408, 4560, 4952, 5510, 6190, 6612, 6960, 7428, 8265, 8816, 9285, 9904, 11020, 11761, 12380, 13224, 14856, 16530, 17951, 18570, 22040, 23522, 24760, 26448, 29712, 33060, 35283, 35902, 37140, 44080, 47044, 49520, 53853, 58805, 66120, 70566, 71804, 74280, 89755, 94088, 107706, 117610, 132240, 141132, 143608, 148560, 176415, 179510, 188176, 215412, 235220, 269265, 282264, 287216, 341069, 352830, 359020, 430824, 470440, 538530, 564528, 682138, 705660, 718040, 861648, 940880, 1023207, 1077060, 1364276, 1411320, 1436080, 1705345, 2046414, 2154120, 2728552, 2822640, 3410690, 4092828, 4308240, 5116035, 5457104, 6821380, 8185656, 10232070, 13642760, 16371312, 20464140, 27285520, 40928280, 81856560]

約数ペア:

[(1, 81856560), (2, 40928280), (3, 27285520), (4, 20464140), (5, 16371312), (6, 13642760), (8, 10232070), (10, 8185656), (12, 6821380), (15, 5457104), (16, 5116035), (19, 4308240), (20, 4092828), (24, 3410690), (29, 2822640), (30, 2728552), (38, 2154120), (40, 2046414), (48, 1705345), (57, 1436080), (58, 1411320), (60, 1364276), (76, 1077060), (80, 1023207), (87, 940880), (95, 861648), (114, 718040), (116, 705660), (120, 682138), (145, 564528), (152, 538530), (174, 470440), (190, 430824), (228, 359020), (232, 352830), (240, 341069), (285, 287216), (290, 282264), (304, 269265), (348, 235220), (380, 215412), (435, 188176), (456, 179510), (464, 176415), (551, 148560), (570, 143608), (580, 141132), (619, 132240), (696, 117610), (760, 107706), (870, 94088), (912, 89755), (1102, 74280), (1140, 71804), (1160, 70566), (1238, 66120), (1392, 58805), (1520, 53853), (1653, 49520), (1740, 47044), (1857, 44080), (2204, 37140), (2280, 35902), (2320, 35283), (2476, 33060), (2755, 29712), (3095, 26448), (3306, 24760), (3480, 23522), (3714, 22040), (4408, 18570), (4560, 17951), (4952, 16530), (5510, 14856), (6190, 13224), (6612, 12380), (6960, 11761), (7428, 11020), (8265, 9904), (8816, 9285)]