12215580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15661}}^1$

素因数の和:15686

約数の個数: 48

約数和(自身を含む): 36837024

約数和(自身を除く): 24621444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 15661, 31322, 46983, 62644, 78305, 93966, 156610, 187932, 203593, 234915, 313220, 407186, 469830, 610779, 814372, 939660, 1017965, 1221558, 2035930, 2443116, 3053895, 4071860, 6107790, 12215580]

約数ペア:

[(1, 12215580), (2, 6107790), (3, 4071860), (4, 3053895), (5, 2443116), (6, 2035930), (10, 1221558), (12, 1017965), (13, 939660), (15, 814372), (20, 610779), (26, 469830), (30, 407186), (39, 313220), (52, 234915), (60, 203593), (65, 187932), (78, 156610), (130, 93966), (156, 78305), (195, 62644), (260, 46983), (390, 31322), (780, 15661)]