2820160840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{52733}}^1$

素因数の和:52942

約数の個数: 64

約数和(自身を含む): 7289948160

約数和(自身を除く): 4469787320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1910, 2674, 3820, 5348, 6685, 7640, 10696, 13370, 26740, 52733, 53480, 105466, 210932, 263665, 369131, 421864, 527330, 738262, 1054660, 1476524, 1845655, 2109320, 2953048, 3691310, 7382620, 10072003, 14765240, 20144006, 40288012, 50360015, 70504021, 80576024, 100720030, 141008042, 201440060, 282016084, 352520105, 402880120, 564032168, 705040210, 1410080420, 2820160840]

約数ペア:

[(1, 2820160840), (2, 1410080420), (4, 705040210), (5, 564032168), (7, 402880120), (8, 352520105), (10, 282016084), (14, 201440060), (20, 141008042), (28, 100720030), (35, 80576024), (40, 70504021), (56, 50360015), (70, 40288012), (140, 20144006), (191, 14765240), (280, 10072003), (382, 7382620), (764, 3691310), (955, 2953048), (1337, 2109320), (1528, 1845655), (1910, 1476524), (2674, 1054660), (3820, 738262), (5348, 527330), (6685, 421864), (7640, 369131), (10696, 263665), (13370, 210932), (26740, 105466), (52733, 53480)]