87215730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2087}}^1$

素因数の和:2303

約数の個数: 64

約数和(自身を含む): 240537600

約数和(自身を除く): 153321870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 995, 1194, 1393, 1990, 2087, 2786, 2985, 4174, 4179, 5970, 6261, 6965, 8358, 10435, 12522, 13930, 14609, 20870, 20895, 29218, 31305, 41790, 43827, 62610, 73045, 87654, 146090, 219135, 415313, 438270, 830626, 1245939, 2076565, 2491878, 2907191, 4153130, 5814382, 6229695, 8721573, 12459390, 14535955, 17443146, 29071910, 43607865, 87215730]

約数ペア:

[(1, 87215730), (2, 43607865), (3, 29071910), (5, 17443146), (6, 14535955), (7, 12459390), (10, 8721573), (14, 6229695), (15, 5814382), (21, 4153130), (30, 2907191), (35, 2491878), (42, 2076565), (70, 1245939), (105, 830626), (199, 438270), (210, 415313), (398, 219135), (597, 146090), (995, 87654), (1194, 73045), (1393, 62610), (1990, 43827), (2087, 41790), (2786, 31305), (2985, 29218), (4174, 20895), (4179, 20870), (5970, 14609), (6261, 13930), (6965, 12522), (8358, 10435)]