81004860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1613}}^1$

素因数の和:1665

約数の個数: 120

約数和(自身を含む): 262475136

約数和(自身を除く): 181470276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 620, 810, 837, 930, 1116, 1395, 1613, 1620, 1674, 1860, 2511, 2790, 3226, 3348, 4185, 4839, 5022, 5580, 6452, 8065, 8370, 9678, 10044, 12555, 14517, 16130, 16740, 19356, 24195, 25110, 29034, 32260, 43551, 48390, 50003, 50220, 58068, 72585, 87102, 96780, 100006, 130653, 145170, 150009, 174204, 200012, 217755, 250015, 261306, 290340, 300018, 435510, 450027, 500030, 522612, 600036, 653265, 750045, 871020, 900054, 1000060, 1306530, 1350081, 1500090, 1800108, 2250135, 2613060, 2700162, 3000180, 4050243, 4500270, 5400324, 6750405, 8100486, 9000540, 13500810, 16200972, 20251215, 27001620, 40502430, 81004860]

約数ペア:

[(1, 81004860), (2, 40502430), (3, 27001620), (4, 20251215), (5, 16200972), (6, 13500810), (9, 9000540), (10, 8100486), (12, 6750405), (15, 5400324), (18, 4500270), (20, 4050243), (27, 3000180), (30, 2700162), (31, 2613060), (36, 2250135), (45, 1800108), (54, 1500090), (60, 1350081), (62, 1306530), (81, 1000060), (90, 900054), (93, 871020), (108, 750045), (124, 653265), (135, 600036), (155, 522612), (162, 500030), (180, 450027), (186, 435510), (270, 300018), (279, 290340), (310, 261306), (324, 250015), (372, 217755), (405, 200012), (465, 174204), (540, 150009), (558, 145170), (620, 130653), (810, 100006), (837, 96780), (930, 87102), (1116, 72585), (1395, 58068), (1613, 50220), (1620, 50003), (1674, 48390), (1860, 43551), (2511, 32260), (2790, 29034), (3226, 25110), (3348, 24195), (4185, 19356), (4839, 16740), (5022, 16130), (5580, 14517), (6452, 12555), (8065, 10044), (8370, 9678)]