162644820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208519}}^1$

素因数の和:208544

約数の個数: 48

約数和(自身を含む): 490439040

約数和(自身を除く): 327794220

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, 208519, 417038, 625557, 834076, 1042595, 1251114, 2085190, 2502228, 2710747, 3127785, 4170380, 5421494, 6255570, 8132241, 10842988, 12511140, 13553735, 16264482, 27107470, 32528964, 40661205, 54214940, 81322410, 162644820]

約数ペア:

[(1, 162644820), (2, 81322410), (3, 54214940), (4, 40661205), (5, 32528964), (6, 27107470), (10, 16264482), (12, 13553735), (13, 12511140), (15, 10842988), (20, 8132241), (26, 6255570), (30, 5421494), (39, 4170380), (52, 3127785), (60, 2710747), (65, 2502228), (78, 2085190), (130, 1251114), (156, 1042595), (195, 834076), (260, 625557), (390, 417038), (780, 208519)]