810435420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{121687}}^1$

素因数の和:121739

約数の個数: 72

約数和(自身を含む): 2524782624

約数和(自身を除く): 1714347204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 121687, 243374, 365061, 486748, 608435, 730122, 1095183, 1216870, 1460244, 1825305, 2190366, 2433740, 3650610, 4380732, 4502419, 5475915, 7301220, 9004838, 10951830, 13507257, 18009676, 21903660, 22512095, 27014514, 40521771, 45024190, 54029028, 67536285, 81043542, 90048380, 135072570, 162087084, 202608855, 270145140, 405217710, 810435420]

約数ペア:

[(1, 810435420), (2, 405217710), (3, 270145140), (4, 202608855), (5, 162087084), (6, 135072570), (9, 90048380), (10, 81043542), (12, 67536285), (15, 54029028), (18, 45024190), (20, 40521771), (30, 27014514), (36, 22512095), (37, 21903660), (45, 18009676), (60, 13507257), (74, 10951830), (90, 9004838), (111, 7301220), (148, 5475915), (180, 4502419), (185, 4380732), (222, 3650610), (333, 2433740), (370, 2190366), (444, 1825305), (555, 1460244), (666, 1216870), (740, 1095183), (1110, 730122), (1332, 608435), (1665, 486748), (2220, 365061), (3330, 243374), (6660, 121687)]