265963620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{340979}}^1$

素因数の和:341004

約数の個数: 48

約数和(自身を含む): 801984960

約数和(自身を除く): 536021340

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, 340979, 681958, 1022937, 1363916, 1704895, 2045874, 3409790, 4091748, 4432727, 5114685, 6819580, 8865454, 10229370, 13298181, 17730908, 20458740, 22163635, 26596362, 44327270, 53192724, 66490905, 88654540, 132981810, 265963620]

約数ペア:

[(1, 265963620), (2, 132981810), (3, 88654540), (4, 66490905), (5, 53192724), (6, 44327270), (10, 26596362), (12, 22163635), (13, 20458740), (15, 17730908), (20, 13298181), (26, 10229370), (30, 8865454), (39, 6819580), (52, 5114685), (60, 4432727), (65, 4091748), (78, 3409790), (130, 2045874), (156, 1704895), (195, 1363916), (260, 1022937), (390, 681958), (780, 340979)]