15355780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 35449344

約数和(自身を除く): 20093564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 313, 446, 626, 892, 1115, 1252, 1565, 2230, 2453, 3130, 3443, 4460, 4906, 6260, 6886, 9812, 12265, 13772, 17215, 24530, 34430, 49060, 68860, 69799, 139598, 279196, 348995, 697990, 767789, 1395980, 1535578, 3071156, 3838945, 7677890, 15355780]

約数ペア:

[(1, 15355780), (2, 7677890), (4, 3838945), (5, 3071156), (10, 1535578), (11, 1395980), (20, 767789), (22, 697990), (44, 348995), (55, 279196), (110, 139598), (220, 69799), (223, 68860), (313, 49060), (446, 34430), (626, 24530), (892, 17215), (1115, 13772), (1252, 12265), (1565, 9812), (2230, 6886), (2453, 6260), (3130, 4906), (3443, 4460)]