1520860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 3612672

約数和(自身を除く): 2091812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 223, 310, 341, 446, 620, 682, 892, 1115, 1364, 1705, 2230, 2453, 3410, 4460, 4906, 6820, 6913, 9812, 12265, 13826, 24530, 27652, 34565, 49060, 69130, 76043, 138260, 152086, 304172, 380215, 760430, 1520860]

約数ペア:

[(1, 1520860), (2, 760430), (4, 380215), (5, 304172), (10, 152086), (11, 138260), (20, 76043), (22, 69130), (31, 49060), (44, 34565), (55, 27652), (62, 24530), (110, 13826), (124, 12265), (155, 9812), (220, 6913), (223, 6820), (310, 4906), (341, 4460), (446, 3410), (620, 2453), (682, 2230), (892, 1705), (1115, 1364)]