261960660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111949}}^1$

素因数の和:111977

約数の個数: 72

約数和(自身を含む): 855745800

約数和(自身を除く): 593785140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 111949, 223898, 335847, 447796, 559745, 671694, 1007541, 1119490, 1343388, 1455337, 1679235, 2015082, 2238980, 2910674, 3358470, 4030164, 4366011, 5037705, 5821348, 6716940, 7276685, 8732022, 10075410, 13098033, 14553370, 17464044, 20150820, 21830055, 26196066, 29106740, 43660110, 52392132, 65490165, 87320220, 130980330, 261960660]

約数ペア:

[(1, 261960660), (2, 130980330), (3, 87320220), (4, 65490165), (5, 52392132), (6, 43660110), (9, 29106740), (10, 26196066), (12, 21830055), (13, 20150820), (15, 17464044), (18, 14553370), (20, 13098033), (26, 10075410), (30, 8732022), (36, 7276685), (39, 6716940), (45, 5821348), (52, 5037705), (60, 4366011), (65, 4030164), (78, 3358470), (90, 2910674), (117, 2238980), (130, 2015082), (156, 1679235), (180, 1455337), (195, 1343388), (234, 1119490), (260, 1007541), (390, 671694), (468, 559745), (585, 447796), (780, 335847), (1170, 223898), (2340, 111949)]