30711560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 75962880

約数和(自身を除く): 45251320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 313, 440, 446, 626, 892, 1115, 1252, 1565, 1784, 2230, 2453, 2504, 3130, 3443, 4460, 4906, 6260, 6886, 8920, 9812, 12265, 12520, 13772, 17215, 19624, 24530, 27544, 34430, 49060, 68860, 69799, 98120, 137720, 139598, 279196, 348995, 558392, 697990, 767789, 1395980, 1535578, 2791960, 3071156, 3838945, 6142312, 7677890, 15355780, 30711560]

約数ペア:

[(1, 30711560), (2, 15355780), (4, 7677890), (5, 6142312), (8, 3838945), (10, 3071156), (11, 2791960), (20, 1535578), (22, 1395980), (40, 767789), (44, 697990), (55, 558392), (88, 348995), (110, 279196), (220, 139598), (223, 137720), (313, 98120), (440, 69799), (446, 68860), (626, 49060), (892, 34430), (1115, 27544), (1252, 24530), (1565, 19624), (1784, 17215), (2230, 13772), (2453, 12520), (2504, 12265), (3130, 9812), (3443, 8920), (4460, 6886), (4906, 6260)]