344766420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21521}}^1$

素因数の和:21625

約数の個数: 72

約数和(自身を含む): 1057591080

約数和(自身を除く): 712824660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 16020, 21521, 43042, 64563, 86084, 107605, 129126, 193689, 215210, 258252, 322815, 387378, 430420, 645630, 774756, 968445, 1291260, 1915369, 1936890, 3830738, 3873780, 5746107, 7661476, 9576845, 11492214, 17238321, 19153690, 22984428, 28730535, 34476642, 38307380, 57461070, 68953284, 86191605, 114922140, 172383210, 344766420]

約数ペア:

[(1, 344766420), (2, 172383210), (3, 114922140), (4, 86191605), (5, 68953284), (6, 57461070), (9, 38307380), (10, 34476642), (12, 28730535), (15, 22984428), (18, 19153690), (20, 17238321), (30, 11492214), (36, 9576845), (45, 7661476), (60, 5746107), (89, 3873780), (90, 3830738), (178, 1936890), (180, 1915369), (267, 1291260), (356, 968445), (445, 774756), (534, 645630), (801, 430420), (890, 387378), (1068, 322815), (1335, 258252), (1602, 215210), (1780, 193689), (2670, 129126), (3204, 107605), (4005, 86084), (5340, 64563), (8010, 43042), (16020, 21521)]