61780140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2273}}^1$

素因数の和:2439

約数の個数: 72

約数和(自身を含む): 188723808

約数和(自身を除く): 126943668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 755, 906, 1359, 1510, 1812, 2265, 2273, 2718, 3020, 4530, 4546, 5436, 6795, 6819, 9060, 9092, 11365, 13590, 13638, 20457, 22730, 27180, 27276, 34095, 40914, 45460, 68190, 81828, 102285, 136380, 204570, 343223, 409140, 686446, 1029669, 1372892, 1716115, 2059338, 3089007, 3432230, 4118676, 5148345, 6178014, 6864460, 10296690, 12356028, 15445035, 20593380, 30890070, 61780140]

約数ペア:

[(1, 61780140), (2, 30890070), (3, 20593380), (4, 15445035), (5, 12356028), (6, 10296690), (9, 6864460), (10, 6178014), (12, 5148345), (15, 4118676), (18, 3432230), (20, 3089007), (30, 2059338), (36, 1716115), (45, 1372892), (60, 1029669), (90, 686446), (151, 409140), (180, 343223), (302, 204570), (453, 136380), (604, 102285), (755, 81828), (906, 68190), (1359, 45460), (1510, 40914), (1812, 34095), (2265, 27276), (2273, 27180), (2718, 22730), (3020, 20457), (4530, 13638), (4546, 13590), (5436, 11365), (6795, 9092), (6819, 9060)]