2749527540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{215143}}^1$

素因数の和:215229

約数の個数: 72

約数和(自身を含む): 8457740928

約数和(自身を除く): 5708213388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 215143, 430286, 645429, 860572, 1075715, 1290858, 1936287, 2151430, 2581716, 3227145, 3872574, 4302860, 6454290, 7745148, 9681435, 12908580, 15275153, 19362870, 30550306, 38725740, 45825459, 61100612, 76375765, 91650918, 137476377, 152751530, 183301836, 229127295, 274952754, 305503060, 458254590, 549905508, 687381885, 916509180, 1374763770, 2749527540]

約数ペア:

[(1, 2749527540), (2, 1374763770), (3, 916509180), (4, 687381885), (5, 549905508), (6, 458254590), (9, 305503060), (10, 274952754), (12, 229127295), (15, 183301836), (18, 152751530), (20, 137476377), (30, 91650918), (36, 76375765), (45, 61100612), (60, 45825459), (71, 38725740), (90, 30550306), (142, 19362870), (180, 15275153), (213, 12908580), (284, 9681435), (355, 7745148), (426, 6454290), (639, 4302860), (710, 3872574), (852, 3227145), (1065, 2581716), (1278, 2151430), (1420, 1936287), (2130, 1290858), (2556, 1075715), (3195, 860572), (4260, 645429), (6390, 430286), (12780, 215143)]