12215820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2789}}^1$

素因数の和:2874

約数の個数: 48

約数和(自身を含む): 34685280

約数和(自身を除く): 22469460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 2789, 4380, 5578, 8367, 11156, 13945, 16734, 27890, 33468, 41835, 55780, 83670, 167340, 203597, 407194, 610791, 814388, 1017985, 1221582, 2035970, 2443164, 3053955, 4071940, 6107910, 12215820]

約数ペア:

[(1, 12215820), (2, 6107910), (3, 4071940), (4, 3053955), (5, 2443164), (6, 2035970), (10, 1221582), (12, 1017985), (15, 814388), (20, 610791), (30, 407194), (60, 203597), (73, 167340), (146, 83670), (219, 55780), (292, 41835), (365, 33468), (438, 27890), (730, 16734), (876, 13945), (1095, 11156), (1460, 8367), (2190, 5578), (2789, 4380)]