15235880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 38638080

約数和(自身を除く): 23402200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1117, 1240, 1364, 1705, 2234, 2728, 3410, 4468, 5585, 6820, 8936, 11170, 12287, 13640, 22340, 24574, 34627, 44680, 49148, 61435, 69254, 98296, 122870, 138508, 173135, 245740, 277016, 346270, 380897, 491480, 692540, 761794, 1385080, 1523588, 1904485, 3047176, 3808970, 7617940, 15235880]

約数ペア:

[(1, 15235880), (2, 7617940), (4, 3808970), (5, 3047176), (8, 1904485), (10, 1523588), (11, 1385080), (20, 761794), (22, 692540), (31, 491480), (40, 380897), (44, 346270), (55, 277016), (62, 245740), (88, 173135), (110, 138508), (124, 122870), (155, 98296), (220, 69254), (248, 61435), (310, 49148), (341, 44680), (440, 34627), (620, 24574), (682, 22340), (1117, 13640), (1240, 12287), (1364, 11170), (1705, 8936), (2234, 6820), (2728, 5585), (3410, 4468)]