15173780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 34063680

約数和(自身を除く): 18889900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 547, 730, 1094, 1387, 1460, 2188, 2735, 2774, 5470, 5548, 6935, 10393, 10940, 13870, 20786, 27740, 39931, 41572, 51965, 79862, 103930, 159724, 199655, 207860, 399310, 758689, 798620, 1517378, 3034756, 3793445, 7586890, 15173780]

約数ペア:

[(1, 15173780), (2, 7586890), (4, 3793445), (5, 3034756), (10, 1517378), (19, 798620), (20, 758689), (38, 399310), (73, 207860), (76, 199655), (95, 159724), (146, 103930), (190, 79862), (292, 51965), (365, 41572), (380, 39931), (547, 27740), (730, 20786), (1094, 13870), (1387, 10940), (1460, 10393), (2188, 6935), (2735, 5548), (2774, 5470)]