1215691980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{547609}}^1$

素因数の和:547658

約数の個数: 48

約数和(自身を含む): 3495942240

約数和(自身を除く): 2280250260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 547609, 1095218, 1642827, 2190436, 2738045, 3285654, 5476090, 6571308, 8214135, 10952180, 16428270, 20261533, 32856540, 40523066, 60784599, 81046132, 101307665, 121569198, 202615330, 243138396, 303922995, 405230660, 607845990, 1215691980]

約数ペア:

[(1, 1215691980), (2, 607845990), (3, 405230660), (4, 303922995), (5, 243138396), (6, 202615330), (10, 121569198), (12, 101307665), (15, 81046132), (20, 60784599), (30, 40523066), (37, 32856540), (60, 20261533), (74, 16428270), (111, 10952180), (148, 8214135), (185, 6571308), (222, 5476090), (370, 3285654), (444, 2738045), (555, 2190436), (740, 1642827), (1110, 1095218), (2220, 547609)]