81262380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79669}}^1$

素因数の和:79698

約数の個数: 48

約数和(自身を含む): 240922080

約数和(自身を除く): 159659700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 79669, 159338, 239007, 318676, 398345, 478014, 796690, 956028, 1195035, 1354373, 1593380, 2390070, 2708746, 4063119, 4780140, 5417492, 6771865, 8126238, 13543730, 16252476, 20315595, 27087460, 40631190, 81262380]

約数ペア:

[(1, 81262380), (2, 40631190), (3, 27087460), (4, 20315595), (5, 16252476), (6, 13543730), (10, 8126238), (12, 6771865), (15, 5417492), (17, 4780140), (20, 4063119), (30, 2708746), (34, 2390070), (51, 1593380), (60, 1354373), (68, 1195035), (85, 956028), (102, 796690), (170, 478014), (204, 398345), (255, 318676), (340, 239007), (510, 159338), (1020, 79669)]