19672320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 64753920

約数和(自身を除く): 45081600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 109, 120, 128, 141, 160, 188, 192, 218, 235, 240, 256, 282, 320, 327, 376, 384, 436, 470, 480, 545, 564, 640, 654, 705, 752, 768, 872, 940, 960, 1090, 1128, 1280, 1308, 1410, 1504, 1635, 1744, 1880, 1920, 2180, 2256, 2616, 2820, 3008, 3270, 3488, 3760, 3840, 4360, 4512, 5123, 5232, 5640, 6016, 6540, 6976, 7520, 8720, 9024, 10246, 10464, 11280, 12032, 13080, 13952, 15040, 15369, 17440, 18048, 20492, 20928, 22560, 25615, 26160, 27904, 30080, 30738, 34880, 36096, 40984, 41856, 45120, 51230, 52320, 60160, 61476, 69760, 76845, 81968, 83712, 90240, 102460, 104640, 122952, 139520, 153690, 163936, 180480, 204920, 209280, 245904, 307380, 327872, 409840, 418560, 491808, 614760, 655744, 819680, 983616, 1229520, 1311488, 1639360, 1967232, 2459040, 3278720, 3934464, 4918080, 6557440, 9836160, 19672320]

約数ペア:

[(1, 19672320), (2, 9836160), (3, 6557440), (4, 4918080), (5, 3934464), (6, 3278720), (8, 2459040), (10, 1967232), (12, 1639360), (15, 1311488), (16, 1229520), (20, 983616), (24, 819680), (30, 655744), (32, 614760), (40, 491808), (47, 418560), (48, 409840), (60, 327872), (64, 307380), (80, 245904), (94, 209280), (96, 204920), (109, 180480), (120, 163936), (128, 153690), (141, 139520), (160, 122952), (188, 104640), (192, 102460), (218, 90240), (235, 83712), (240, 81968), (256, 76845), (282, 69760), (320, 61476), (327, 60160), (376, 52320), (384, 51230), (436, 45120), (470, 41856), (480, 40984), (545, 36096), (564, 34880), (640, 30738), (654, 30080), (705, 27904), (752, 26160), (768, 25615), (872, 22560), (940, 20928), (960, 20492), (1090, 18048), (1128, 17440), (1280, 15369), (1308, 15040), (1410, 13952), (1504, 13080), (1635, 12032), (1744, 11280), (1880, 10464), (1920, 10246), (2180, 9024), (2256, 8720), (2616, 7520), (2820, 6976), (3008, 6540), (3270, 6016), (3488, 5640), (3760, 5232), (3840, 5123), (4360, 4512)]