30505240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 72034560

約数和(自身を除く): 41529320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 337, 365, 584, 620, 674, 730, 1240, 1348, 1460, 1685, 2263, 2696, 2920, 3370, 4526, 6740, 9052, 10447, 11315, 13480, 18104, 20894, 22630, 24601, 41788, 45260, 49202, 52235, 83576, 90520, 98404, 104470, 123005, 196808, 208940, 246010, 417880, 492020, 762631, 984040, 1525262, 3050524, 3813155, 6101048, 7626310, 15252620, 30505240]

約数ペア:

[(1, 30505240), (2, 15252620), (4, 7626310), (5, 6101048), (8, 3813155), (10, 3050524), (20, 1525262), (31, 984040), (40, 762631), (62, 492020), (73, 417880), (124, 246010), (146, 208940), (155, 196808), (248, 123005), (292, 104470), (310, 98404), (337, 90520), (365, 83576), (584, 52235), (620, 49202), (674, 45260), (730, 41788), (1240, 24601), (1348, 22630), (1460, 20894), (1685, 18104), (2263, 13480), (2696, 11315), (2920, 10447), (3370, 9052), (4526, 6740)]