238156020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{3491}}^1$

素因数の和:3885

約数の個数: 72

約数和(自身を含む): 724520160

約数和(自身を除く): 486364140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 379, 758, 1137, 1516, 1895, 2274, 3411, 3491, 3790, 4548, 5685, 6822, 6982, 7580, 10473, 11370, 13644, 13964, 17055, 17455, 20946, 22740, 31419, 34110, 34910, 41892, 52365, 62838, 68220, 69820, 104730, 125676, 157095, 209460, 314190, 628380, 1323089, 2646178, 3969267, 5292356, 6615445, 7938534, 11907801, 13230890, 15877068, 19846335, 23815602, 26461780, 39692670, 47631204, 59539005, 79385340, 119078010, 238156020]

約数ペア:

[(1, 238156020), (2, 119078010), (3, 79385340), (4, 59539005), (5, 47631204), (6, 39692670), (9, 26461780), (10, 23815602), (12, 19846335), (15, 15877068), (18, 13230890), (20, 11907801), (30, 7938534), (36, 6615445), (45, 5292356), (60, 3969267), (90, 2646178), (180, 1323089), (379, 628380), (758, 314190), (1137, 209460), (1516, 157095), (1895, 125676), (2274, 104730), (3411, 69820), (3491, 68220), (3790, 62838), (4548, 52365), (5685, 41892), (6822, 34910), (6982, 34110), (7580, 31419), (10473, 22740), (11370, 20946), (13644, 17455), (13964, 17055)]