28520340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 85034880

約数和(自身を除く): 56514540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 37, 58, 60, 74, 87, 111, 116, 145, 148, 174, 185, 222, 290, 348, 370, 435, 443, 444, 555, 580, 740, 870, 886, 1073, 1110, 1329, 1740, 1772, 2146, 2215, 2220, 2658, 3219, 4292, 4430, 5316, 5365, 6438, 6645, 8860, 10730, 12847, 12876, 13290, 16095, 16391, 21460, 25694, 26580, 32190, 32782, 38541, 49173, 51388, 64235, 64380, 65564, 77082, 81955, 98346, 128470, 154164, 163910, 192705, 196692, 245865, 256940, 327820, 385410, 475339, 491730, 770820, 950678, 983460, 1426017, 1901356, 2376695, 2852034, 4753390, 5704068, 7130085, 9506780, 14260170, 28520340]

約数ペア:

[(1, 28520340), (2, 14260170), (3, 9506780), (4, 7130085), (5, 5704068), (6, 4753390), (10, 2852034), (12, 2376695), (15, 1901356), (20, 1426017), (29, 983460), (30, 950678), (37, 770820), (58, 491730), (60, 475339), (74, 385410), (87, 327820), (111, 256940), (116, 245865), (145, 196692), (148, 192705), (174, 163910), (185, 154164), (222, 128470), (290, 98346), (348, 81955), (370, 77082), (435, 65564), (443, 64380), (444, 64235), (555, 51388), (580, 49173), (740, 38541), (870, 32782), (886, 32190), (1073, 26580), (1110, 25694), (1329, 21460), (1740, 16391), (1772, 16095), (2146, 13290), (2215, 12876), (2220, 12847), (2658, 10730), (3219, 8860), (4292, 6645), (4430, 6438), (5316, 5365)]