38784690

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20544

約数の個数: 64

約数和(自身を含む): 118206720

約数和(自身を除く): 79422030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 20521, 41042, 61563, 102605, 123126, 143647, 184689, 205210, 287294, 307815, 369378, 430941, 554067, 615630, 718235, 861882, 923445, 1108134, 1292823, 1436470, 1846890, 2154705, 2585646, 2770335, 3878469, 4309410, 5540670, 6464115, 7756938, 12928230, 19392345, 38784690]

約数ペア:

[(1, 38784690), (2, 19392345), (3, 12928230), (5, 7756938), (6, 6464115), (7, 5540670), (9, 4309410), (10, 3878469), (14, 2770335), (15, 2585646), (18, 2154705), (21, 1846890), (27, 1436470), (30, 1292823), (35, 1108134), (42, 923445), (45, 861882), (54, 718235), (63, 615630), (70, 554067), (90, 430941), (105, 369378), (126, 307815), (135, 287294), (189, 205210), (210, 184689), (270, 143647), (315, 123126), (378, 102605), (630, 61563), (945, 41042), (1890, 20521)]