161932920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3469}}^1$

素因数の和:3872

約数の個数: 64

約数和(自身を含む): 487188000

約数和(自身を除く): 325255080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1556, 1945, 2334, 3112, 3469, 3890, 4668, 5835, 6938, 7780, 9336, 10407, 11670, 13876, 15560, 17345, 20814, 23340, 27752, 34690, 41628, 46680, 52035, 69380, 83256, 104070, 138760, 208140, 416280, 1349441, 2698882, 4048323, 5397764, 6747205, 8096646, 10795528, 13494410, 16193292, 20241615, 26988820, 32386584, 40483230, 53977640, 80966460, 161932920]

約数ペア:

[(1, 161932920), (2, 80966460), (3, 53977640), (4, 40483230), (5, 32386584), (6, 26988820), (8, 20241615), (10, 16193292), (12, 13494410), (15, 10795528), (20, 8096646), (24, 6747205), (30, 5397764), (40, 4048323), (60, 2698882), (120, 1349441), (389, 416280), (778, 208140), (1167, 138760), (1556, 104070), (1945, 83256), (2334, 69380), (3112, 52035), (3469, 46680), (3890, 41628), (4668, 34690), (5835, 27752), (6938, 23340), (7780, 20814), (9336, 17345), (10407, 15560), (11670, 13876)]