15456861520

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{486677}}^1$

素因数の和:487087

約数の個数: 40

約数和(自身を含む): 36027798984

約数和(自身を除く): 20570937464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 3176, 3970, 6352, 7940, 15880, 31760, 486677, 973354, 1946708, 2433385, 3893416, 4866770, 7786832, 9733540, 19467080, 38934160, 193210769, 386421538, 772843076, 966053845, 1545686152, 1932107690, 3091372304, 3864215380, 7728430760, 15456861520]

約数ペア:

[(1, 15456861520), (2, 7728430760), (4, 3864215380), (5, 3091372304), (8, 1932107690), (10, 1545686152), (16, 966053845), (20, 772843076), (40, 386421538), (80, 193210769), (397, 38934160), (794, 19467080), (1588, 9733540), (1985, 7786832), (3176, 4866770), (3970, 3893416), (6352, 2433385), (7940, 1946708), (15880, 973354), (31760, 486677)]