1534720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 4047120

約数和(自身を除く): 2512400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 109, 110, 128, 160, 176, 218, 220, 256, 320, 352, 436, 440, 545, 640, 704, 872, 880, 1090, 1199, 1280, 1408, 1744, 1760, 2180, 2398, 2816, 3488, 3520, 4360, 4796, 5995, 6976, 7040, 8720, 9592, 11990, 13952, 14080, 17440, 19184, 23980, 27904, 34880, 38368, 47960, 69760, 76736, 95920, 139520, 153472, 191840, 306944, 383680, 767360, 1534720]

約数ペア:

[(1, 1534720), (2, 767360), (4, 383680), (5, 306944), (8, 191840), (10, 153472), (11, 139520), (16, 95920), (20, 76736), (22, 69760), (32, 47960), (40, 38368), (44, 34880), (55, 27904), (64, 23980), (80, 19184), (88, 17440), (109, 14080), (110, 13952), (128, 11990), (160, 9592), (176, 8720), (218, 7040), (220, 6976), (256, 5995), (320, 4796), (352, 4360), (436, 3520), (440, 3488), (545, 2816), (640, 2398), (704, 2180), (872, 1760), (880, 1744), (1090, 1408), (1199, 1280)]