128358180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19273}}^1$

素因数の和:19325

約数の個数: 72

約数和(自身を含む): 399896952

約数和(自身を除く): 271538772

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, 19273, 38546, 57819, 77092, 96365, 115638, 173457, 192730, 231276, 289095, 346914, 385460, 578190, 693828, 713101, 867285, 1156380, 1426202, 1734570, 2139303, 2852404, 3469140, 3565505, 4278606, 6417909, 7131010, 8557212, 10696515, 12835818, 14262020, 21393030, 25671636, 32089545, 42786060, 64179090, 128358180]

約数ペア:

[(1, 128358180), (2, 64179090), (3, 42786060), (4, 32089545), (5, 25671636), (6, 21393030), (9, 14262020), (10, 12835818), (12, 10696515), (15, 8557212), (18, 7131010), (20, 6417909), (30, 4278606), (36, 3565505), (37, 3469140), (45, 2852404), (60, 2139303), (74, 1734570), (90, 1426202), (111, 1156380), (148, 867285), (180, 713101), (185, 693828), (222, 578190), (333, 385460), (370, 346914), (444, 289095), (555, 231276), (666, 192730), (740, 173457), (1110, 115638), (1332, 96365), (1665, 77092), (2220, 57819), (3330, 38546), (6660, 19273)]