28718460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1549}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 88015200

約数和(自身を除く): 59296740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1549, 1854, 2060, 3090, 3098, 3708, 4635, 4647, 6180, 6196, 7745, 9270, 9294, 13941, 15490, 18540, 18588, 23235, 27882, 30980, 46470, 55764, 69705, 92940, 139410, 159547, 278820, 319094, 478641, 638188, 797735, 957282, 1435923, 1595470, 1914564, 2393205, 2871846, 3190940, 4786410, 5743692, 7179615, 9572820, 14359230, 28718460]

約数ペア:

[(1, 28718460), (2, 14359230), (3, 9572820), (4, 7179615), (5, 5743692), (6, 4786410), (9, 3190940), (10, 2871846), (12, 2393205), (15, 1914564), (18, 1595470), (20, 1435923), (30, 957282), (36, 797735), (45, 638188), (60, 478641), (90, 319094), (103, 278820), (180, 159547), (206, 139410), (309, 92940), (412, 69705), (515, 55764), (618, 46470), (927, 30980), (1030, 27882), (1236, 23235), (1545, 18588), (1549, 18540), (1854, 15490), (2060, 13941), (3090, 9294), (3098, 9270), (3708, 7745), (4635, 6196), (4647, 6180)]