30731960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2677}}^1$

素因数の和:2736

約数の個数: 64

約数和(自身を含む): 80982720

約数和(自身を除く): 50250760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2677, 2870, 5354, 5740, 10708, 11480, 13385, 18739, 21416, 26770, 37478, 53540, 74956, 93695, 107080, 109757, 149912, 187390, 219514, 374780, 439028, 548785, 749560, 768299, 878056, 1097570, 1536598, 2195140, 3073196, 3841495, 4390280, 6146392, 7682990, 15365980, 30731960]

約数ペア:

[(1, 30731960), (2, 15365980), (4, 7682990), (5, 6146392), (7, 4390280), (8, 3841495), (10, 3073196), (14, 2195140), (20, 1536598), (28, 1097570), (35, 878056), (40, 768299), (41, 749560), (56, 548785), (70, 439028), (82, 374780), (140, 219514), (164, 187390), (205, 149912), (280, 109757), (287, 107080), (328, 93695), (410, 74956), (574, 53540), (820, 37478), (1148, 26770), (1435, 21416), (1640, 18739), (2296, 13385), (2677, 11480), (2870, 10708), (5354, 5740)]