2019450255

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{617}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 3460008960

約数和(自身を除く): 1440558705

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 179, 265, 345, 537, 617, 795, 895, 1219, 1851, 2685, 3085, 3657, 4117, 6095, 9255, 9487, 12351, 14191, 18285, 20585, 28461, 32701, 42573, 47435, 61755, 70955, 98103, 110443, 142305, 163505, 212865, 218201, 331329, 490515, 552215, 654603, 752123, 1091005, 1656645, 2256369, 2540189, 3273015, 3760615, 5853479, 7620567, 11281845, 12700945, 17560437, 29267395, 38102835, 87802185, 134630017, 403890051, 673150085, 2019450255]

約数ペア:

[(1, 2019450255), (3, 673150085), (5, 403890051), (15, 134630017), (23, 87802185), (53, 38102835), (69, 29267395), (115, 17560437), (159, 12700945), (179, 11281845), (265, 7620567), (345, 5853479), (537, 3760615), (617, 3273015), (795, 2540189), (895, 2256369), (1219, 1656645), (1851, 1091005), (2685, 752123), (3085, 654603), (3657, 552215), (4117, 490515), (6095, 331329), (9255, 218201), (9487, 212865), (12351, 163505), (14191, 142305), (18285, 110443), (20585, 98103), (28461, 70955), (32701, 61755), (42573, 47435)]