280179840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1999}}^1$

素因数の和:2094

約数の個数: 128

約数和(自身を含む): 905760000

約数和(自身を除く): 625580160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 240, 292, 320, 365, 384, 438, 480, 584, 640, 730, 876, 960, 1095, 1168, 1460, 1752, 1920, 1999, 2190, 2336, 2920, 3504, 3998, 4380, 4672, 5840, 5997, 7008, 7996, 8760, 9344, 9995, 11680, 11994, 14016, 15992, 17520, 19990, 23360, 23988, 28032, 29985, 31984, 35040, 39980, 46720, 47976, 59970, 63968, 70080, 79960, 95952, 119940, 127936, 140160, 145927, 159920, 191904, 239880, 255872, 291854, 319840, 383808, 437781, 479760, 583708, 639680, 729635, 767616, 875562, 959520, 1167416, 1279360, 1459270, 1751124, 1919040, 2188905, 2334832, 2918540, 3502248, 3838080, 4377810, 4669664, 5837080, 7004496, 8755620, 9339328, 11674160, 14008992, 17511240, 18678656, 23348320, 28017984, 35022480, 46696640, 56035968, 70044960, 93393280, 140089920, 280179840]

約数ペア:

[(1, 280179840), (2, 140089920), (3, 93393280), (4, 70044960), (5, 56035968), (6, 46696640), (8, 35022480), (10, 28017984), (12, 23348320), (15, 18678656), (16, 17511240), (20, 14008992), (24, 11674160), (30, 9339328), (32, 8755620), (40, 7004496), (48, 5837080), (60, 4669664), (64, 4377810), (73, 3838080), (80, 3502248), (96, 2918540), (120, 2334832), (128, 2188905), (146, 1919040), (160, 1751124), (192, 1459270), (219, 1279360), (240, 1167416), (292, 959520), (320, 875562), (365, 767616), (384, 729635), (438, 639680), (480, 583708), (584, 479760), (640, 437781), (730, 383808), (876, 319840), (960, 291854), (1095, 255872), (1168, 239880), (1460, 191904), (1752, 159920), (1920, 145927), (1999, 140160), (2190, 127936), (2336, 119940), (2920, 95952), (3504, 79960), (3998, 70080), (4380, 63968), (4672, 59970), (5840, 47976), (5997, 46720), (7008, 39980), (7996, 35040), (8760, 31984), (9344, 29985), (9995, 28032), (11680, 23988), (11994, 23360), (14016, 19990), (15992, 17520)]