30172520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 78122880

約数和(自身を除く): 47950360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 547, 788, 985, 1094, 1379, 1576, 1970, 2188, 2735, 2758, 3829, 3940, 4376, 5470, 5516, 6895, 7658, 7880, 10940, 11032, 13790, 15316, 19145, 21880, 27580, 30632, 38290, 55160, 76580, 107759, 153160, 215518, 431036, 538795, 754313, 862072, 1077590, 1508626, 2155180, 3017252, 3771565, 4310360, 6034504, 7543130, 15086260, 30172520]

約数ペア:

[(1, 30172520), (2, 15086260), (4, 7543130), (5, 6034504), (7, 4310360), (8, 3771565), (10, 3017252), (14, 2155180), (20, 1508626), (28, 1077590), (35, 862072), (40, 754313), (56, 538795), (70, 431036), (140, 215518), (197, 153160), (280, 107759), (394, 76580), (547, 55160), (788, 38290), (985, 30632), (1094, 27580), (1379, 21880), (1576, 19145), (1970, 15316), (2188, 13790), (2735, 11032), (2758, 10940), (3829, 7880), (3940, 7658), (4376, 6895), (5470, 5516)]