81849390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 241118208

約数和(自身を除く): 159268818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 101, 102, 105, 119, 170, 202, 210, 227, 238, 255, 303, 357, 454, 505, 510, 595, 606, 681, 707, 714, 1010, 1135, 1190, 1362, 1414, 1515, 1589, 1717, 1785, 2121, 2270, 3030, 3178, 3405, 3434, 3535, 3570, 3859, 4242, 4767, 5151, 6810, 7070, 7718, 7945, 8585, 9534, 10302, 10605, 11577, 12019, 15890, 17170, 19295, 21210, 22927, 23154, 23835, 24038, 25755, 27013, 36057, 38590, 45854, 47670, 51510, 54026, 57885, 60095, 68781, 72114, 81039, 114635, 115770, 120190, 135065, 137562, 160489, 162078, 180285, 229270, 270130, 320978, 343905, 360570, 389759, 405195, 481467, 687810, 779518, 802445, 810390, 962934, 1169277, 1604890, 1948795, 2338554, 2407335, 2728313, 3897590, 4814670, 5456626, 5846385, 8184939, 11692770, 13641565, 16369878, 27283130, 40924695, 81849390]

約数ペア:

[(1, 81849390), (2, 40924695), (3, 27283130), (5, 16369878), (6, 13641565), (7, 11692770), (10, 8184939), (14, 5846385), (15, 5456626), (17, 4814670), (21, 3897590), (30, 2728313), (34, 2407335), (35, 2338554), (42, 1948795), (51, 1604890), (70, 1169277), (85, 962934), (101, 810390), (102, 802445), (105, 779518), (119, 687810), (170, 481467), (202, 405195), (210, 389759), (227, 360570), (238, 343905), (255, 320978), (303, 270130), (357, 229270), (454, 180285), (505, 162078), (510, 160489), (595, 137562), (606, 135065), (681, 120190), (707, 115770), (714, 114635), (1010, 81039), (1135, 72114), (1190, 68781), (1362, 60095), (1414, 57885), (1515, 54026), (1589, 51510), (1717, 47670), (1785, 45854), (2121, 38590), (2270, 36057), (3030, 27013), (3178, 25755), (3405, 24038), (3434, 23835), (3535, 23154), (3570, 22927), (3859, 21210), (4242, 19295), (4767, 17170), (5151, 15890), (6810, 12019), (7070, 11577), (7718, 10605), (7945, 10302), (8585, 9534)]