12905820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71699}}^1$

素因数の和:71714

約数の個数: 36

約数和(自身を含む): 39148200

約数和(自身を除く): 26242380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71699, 143398, 215097, 286796, 358495, 430194, 645291, 716990, 860388, 1075485, 1290582, 1433980, 2150970, 2581164, 3226455, 4301940, 6452910, 12905820]

約数ペア:

[(1, 12905820), (2, 6452910), (3, 4301940), (4, 3226455), (5, 2581164), (6, 2150970), (9, 1433980), (10, 1290582), (12, 1075485), (15, 860388), (18, 716990), (20, 645291), (30, 430194), (36, 358495), (45, 286796), (60, 215097), (90, 143398), (180, 71699)]