305143360

素因数分解:

$2^6\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1447}}^1$

素因数の和:2123

約数の個数: 56

約数和(自身を含む): 728228160

約数和(自身を除く): 423084800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 659, 1318, 1447, 2636, 2894, 3295, 5272, 5788, 6590, 7235, 10544, 11576, 13180, 14470, 21088, 23152, 26360, 28940, 42176, 46304, 52720, 57880, 92608, 105440, 115760, 210880, 231520, 463040, 953573, 1907146, 3814292, 4767865, 7628584, 9535730, 15257168, 19071460, 30514336, 38142920, 61028672, 76285840, 152571680, 305143360]

約数ペア:

[(1, 305143360), (2, 152571680), (4, 76285840), (5, 61028672), (8, 38142920), (10, 30514336), (16, 19071460), (20, 15257168), (32, 9535730), (40, 7628584), (64, 4767865), (80, 3814292), (160, 1907146), (320, 953573), (659, 463040), (1318, 231520), (1447, 210880), (2636, 115760), (2894, 105440), (3295, 92608), (5272, 57880), (5788, 52720), (6590, 46304), (7235, 42176), (10544, 28940), (11576, 26360), (13180, 23152), (14470, 21088)]