38788020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{941}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 118296360

約数和(自身を除く): 79508340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 941, 1145, 1374, 1882, 2061, 2290, 2748, 2823, 3435, 3764, 4122, 4580, 4705, 5646, 6870, 8244, 8469, 9410, 10305, 11292, 13740, 14115, 16938, 18820, 20610, 28230, 33876, 41220, 42345, 56460, 84690, 169380, 215489, 430978, 646467, 861956, 1077445, 1292934, 1939401, 2154890, 2585868, 3232335, 3878802, 4309780, 6464670, 7757604, 9697005, 12929340, 19394010, 38788020]

約数ペア:

[(1, 38788020), (2, 19394010), (3, 12929340), (4, 9697005), (5, 7757604), (6, 6464670), (9, 4309780), (10, 3878802), (12, 3232335), (15, 2585868), (18, 2154890), (20, 1939401), (30, 1292934), (36, 1077445), (45, 861956), (60, 646467), (90, 430978), (180, 215489), (229, 169380), (458, 84690), (687, 56460), (916, 42345), (941, 41220), (1145, 33876), (1374, 28230), (1882, 20610), (2061, 18820), (2290, 16938), (2748, 14115), (2823, 13740), (3435, 11292), (3764, 10305), (4122, 9410), (4580, 8469), (4705, 8244), (5646, 6870)]