1625340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 4612608

約数和(自身を除く): 2987268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 263, 309, 412, 515, 526, 618, 789, 1030, 1052, 1236, 1315, 1545, 1578, 2060, 2630, 3090, 3156, 3945, 5260, 6180, 7890, 15780, 27089, 54178, 81267, 108356, 135445, 162534, 270890, 325068, 406335, 541780, 812670, 1625340]

約数ペア:

[(1, 1625340), (2, 812670), (3, 541780), (4, 406335), (5, 325068), (6, 270890), (10, 162534), (12, 135445), (15, 108356), (20, 81267), (30, 54178), (60, 27089), (103, 15780), (206, 7890), (263, 6180), (309, 5260), (412, 3945), (515, 3156), (526, 3090), (618, 2630), (789, 2060), (1030, 1578), (1052, 1545), (1236, 1315)]