81013980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12619}}^1$

素因数の和:12738

約数の個数: 48

約数和(自身を含む): 228977280

約数和(自身を除く): 147963300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 12619, 25238, 37857, 50476, 63095, 75714, 126190, 151428, 189285, 252380, 378570, 757140, 1350233, 2700466, 4050699, 5400932, 6751165, 8101398, 13502330, 16202796, 20253495, 27004660, 40506990, 81013980]

約数ペア:

[(1, 81013980), (2, 40506990), (3, 27004660), (4, 20253495), (5, 16202796), (6, 13502330), (10, 8101398), (12, 6751165), (15, 5400932), (20, 4050699), (30, 2700466), (60, 1350233), (107, 757140), (214, 378570), (321, 252380), (428, 189285), (535, 151428), (642, 126190), (1070, 75714), (1284, 63095), (1605, 50476), (2140, 37857), (3210, 25238), (6420, 12619)]