1667627220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{7621}}^1$

素因数の和:8161

約数の個数: 96

約数和(自身を含む): 5347351296

約数和(自身を除く): 3679724076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 521, 1042, 1563, 2084, 2605, 3126, 3647, 5210, 6252, 7294, 7621, 7815, 10420, 10941, 14588, 15242, 15630, 18235, 21882, 22863, 30484, 31260, 36470, 38105, 43764, 45726, 53347, 54705, 72940, 76210, 91452, 106694, 109410, 114315, 152420, 160041, 213388, 218820, 228630, 266735, 320082, 457260, 533470, 640164, 800205, 1066940, 1600410, 3200820, 3970541, 7941082, 11911623, 15882164, 19852705, 23823246, 27793787, 39705410, 47646492, 55587574, 59558115, 79410820, 83381361, 111175148, 119116230, 138968935, 166762722, 238232460, 277937870, 333525444, 416906805, 555875740, 833813610, 1667627220]

約数ペア:

[(1, 1667627220), (2, 833813610), (3, 555875740), (4, 416906805), (5, 333525444), (6, 277937870), (7, 238232460), (10, 166762722), (12, 138968935), (14, 119116230), (15, 111175148), (20, 83381361), (21, 79410820), (28, 59558115), (30, 55587574), (35, 47646492), (42, 39705410), (60, 27793787), (70, 23823246), (84, 19852705), (105, 15882164), (140, 11911623), (210, 7941082), (420, 3970541), (521, 3200820), (1042, 1600410), (1563, 1066940), (2084, 800205), (2605, 640164), (3126, 533470), (3647, 457260), (5210, 320082), (6252, 266735), (7294, 228630), (7621, 218820), (7815, 213388), (10420, 160041), (10941, 152420), (14588, 114315), (15242, 109410), (15630, 106694), (18235, 91452), (21882, 76210), (22863, 72940), (30484, 54705), (31260, 53347), (36470, 45726), (38105, 43764)]