645069120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{671947}}^1$

素因数の和:671967

約数の個数: 56

約数和(自身を含む): 2048097504

約数和(自身を除く): 1403028384

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, 160, 192, 240, 320, 480, 960, 671947, 1343894, 2015841, 2687788, 3359735, 4031682, 5375576, 6719470, 8063364, 10079205, 10751152, 13438940, 16126728, 20158410, 21502304, 26877880, 32253456, 40316820, 43004608, 53755760, 64506912, 80633640, 107511520, 129013824, 161267280, 215023040, 322534560, 645069120]

約数ペア:

[(1, 645069120), (2, 322534560), (3, 215023040), (4, 161267280), (5, 129013824), (6, 107511520), (8, 80633640), (10, 64506912), (12, 53755760), (15, 43004608), (16, 40316820), (20, 32253456), (24, 26877880), (30, 21502304), (32, 20158410), (40, 16126728), (48, 13438940), (60, 10751152), (64, 10079205), (80, 8063364), (96, 6719470), (120, 5375576), (160, 4031682), (192, 3359735), (240, 2687788), (320, 2015841), (480, 1343894), (960, 671947)]