42712760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 103593600

約数和(自身を除く): 60880840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1307, 1634, 1720, 2614, 3268, 4085, 5228, 6535, 6536, 8170, 10456, 13070, 16340, 24833, 26140, 32680, 49666, 52280, 56201, 99332, 112402, 124165, 198664, 224804, 248330, 281005, 449608, 496660, 562010, 993320, 1067819, 1124020, 2135638, 2248040, 4271276, 5339095, 8542552, 10678190, 21356380, 42712760]

約数ペア:

[(1, 42712760), (2, 21356380), (4, 10678190), (5, 8542552), (8, 5339095), (10, 4271276), (19, 2248040), (20, 2135638), (38, 1124020), (40, 1067819), (43, 993320), (76, 562010), (86, 496660), (95, 449608), (152, 281005), (172, 248330), (190, 224804), (215, 198664), (344, 124165), (380, 112402), (430, 99332), (760, 56201), (817, 52280), (860, 49666), (1307, 32680), (1634, 26140), (1720, 24833), (2614, 16340), (3268, 13070), (4085, 10456), (5228, 8170), (6535, 6536)]