2006460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 6211296

約数和(自身を除く): 4204836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 157, 180, 213, 284, 314, 355, 426, 471, 628, 639, 710, 785, 852, 942, 1065, 1278, 1413, 1420, 1570, 1884, 2130, 2355, 2556, 2826, 3140, 3195, 4260, 4710, 5652, 6390, 7065, 9420, 11147, 12780, 14130, 22294, 28260, 33441, 44588, 55735, 66882, 100323, 111470, 133764, 167205, 200646, 222940, 334410, 401292, 501615, 668820, 1003230, 2006460]

約数ペア:

[(1, 2006460), (2, 1003230), (3, 668820), (4, 501615), (5, 401292), (6, 334410), (9, 222940), (10, 200646), (12, 167205), (15, 133764), (18, 111470), (20, 100323), (30, 66882), (36, 55735), (45, 44588), (60, 33441), (71, 28260), (90, 22294), (142, 14130), (157, 12780), (180, 11147), (213, 9420), (284, 7065), (314, 6390), (355, 5652), (426, 4710), (471, 4260), (628, 3195), (639, 3140), (710, 2826), (785, 2556), (852, 2355), (942, 2130), (1065, 1884), (1278, 1570), (1413, 1420)]