219489360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2351}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 682456320

約数和(自身を除く): 462966960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1556, 1945, 2334, 2351, 3112, 3890, 4668, 4702, 5835, 6224, 7053, 7780, 9336, 9404, 11670, 11755, 14106, 15560, 18672, 18808, 23340, 23510, 28212, 31120, 35265, 37616, 46680, 47020, 56424, 70530, 93360, 94040, 112848, 141060, 188080, 282120, 564240, 914539, 1829078, 2743617, 3658156, 4572695, 5487234, 7316312, 9145390, 10974468, 13718085, 14632624, 18290780, 21948936, 27436170, 36581560, 43897872, 54872340, 73163120, 109744680, 219489360]

約数ペア:

[(1, 219489360), (2, 109744680), (3, 73163120), (4, 54872340), (5, 43897872), (6, 36581560), (8, 27436170), (10, 21948936), (12, 18290780), (15, 14632624), (16, 13718085), (20, 10974468), (24, 9145390), (30, 7316312), (40, 5487234), (48, 4572695), (60, 3658156), (80, 2743617), (120, 1829078), (240, 914539), (389, 564240), (778, 282120), (1167, 188080), (1556, 141060), (1945, 112848), (2334, 94040), (2351, 93360), (3112, 70530), (3890, 56424), (4668, 47020), (4702, 46680), (5835, 37616), (6224, 35265), (7053, 31120), (7780, 28212), (9336, 23510), (9404, 23340), (11670, 18808), (11755, 18672), (14106, 15560)]