2740440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 8436960

約数和(自身を除く): 5696520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 557, 615, 820, 984, 1114, 1230, 1640, 1671, 2228, 2460, 2785, 3342, 4456, 4920, 5570, 6684, 8355, 11140, 13368, 16710, 22280, 22837, 33420, 45674, 66840, 68511, 91348, 114185, 137022, 182696, 228370, 274044, 342555, 456740, 548088, 685110, 913480, 1370220, 2740440]

約数ペア:

[(1, 2740440), (2, 1370220), (3, 913480), (4, 685110), (5, 548088), (6, 456740), (8, 342555), (10, 274044), (12, 228370), (15, 182696), (20, 137022), (24, 114185), (30, 91348), (40, 68511), (41, 66840), (60, 45674), (82, 33420), (120, 22837), (123, 22280), (164, 16710), (205, 13368), (246, 11140), (328, 8355), (410, 6684), (492, 5570), (557, 4920), (615, 4456), (820, 3342), (984, 2785), (1114, 2460), (1230, 2228), (1640, 1671)]