1290238080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{671999}}^1$

素因数の和:672021

約数の個数: 64

約数和(自身を含む): 4112640000

約数和(自身を除く): 2822401920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 671999, 1343998, 2015997, 2687996, 3359995, 4031994, 5375992, 6719990, 8063988, 10079985, 10751984, 13439980, 16127976, 20159970, 21503968, 26879960, 32255952, 40319940, 43007936, 53759920, 64511904, 80639880, 86015872, 107519840, 129023808, 161279760, 215039680, 258047616, 322559520, 430079360, 645119040, 1290238080]

約数ペア:

[(1, 1290238080), (2, 645119040), (3, 430079360), (4, 322559520), (5, 258047616), (6, 215039680), (8, 161279760), (10, 129023808), (12, 107519840), (15, 86015872), (16, 80639880), (20, 64511904), (24, 53759920), (30, 43007936), (32, 40319940), (40, 32255952), (48, 26879960), (60, 21503968), (64, 20159970), (80, 16127976), (96, 13439980), (120, 10751984), (128, 10079985), (160, 8063988), (192, 6719990), (240, 5375992), (320, 4031994), (384, 3359995), (480, 2687996), (640, 2015997), (960, 1343998), (1920, 671999)]