81468090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7481}}^1$

素因数の和:7516

約数の個数: 72

約数和(自身を含む): 232854804

約数和(自身を除く): 151386714

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 7481, 10890, 14962, 22443, 37405, 44886, 67329, 74810, 82291, 112215, 134658, 164582, 224430, 246873, 336645, 411455, 493746, 673290, 740619, 822910, 905201, 1234365, 1481238, 1810402, 2468730, 2715603, 3703095, 4526005, 5431206, 7406190, 8146809, 9052010, 13578015, 16293618, 27156030, 40734045, 81468090]

約数ペア:

[(1, 81468090), (2, 40734045), (3, 27156030), (5, 16293618), (6, 13578015), (9, 9052010), (10, 8146809), (11, 7406190), (15, 5431206), (18, 4526005), (22, 3703095), (30, 2715603), (33, 2468730), (45, 1810402), (55, 1481238), (66, 1234365), (90, 905201), (99, 822910), (110, 740619), (121, 673290), (165, 493746), (198, 411455), (242, 336645), (330, 246873), (363, 224430), (495, 164582), (605, 134658), (726, 112215), (990, 82291), (1089, 74810), (1210, 67329), (1815, 44886), (2178, 37405), (3630, 22443), (5445, 14962), (7481, 10890)]