280569510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239803}}^1$

素因数の和:239829

約数の個数: 48

約数和(自身を含む): 785597904

約数和(自身を除く): 505028394

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 239803, 479606, 719409, 1199015, 1438818, 2158227, 2398030, 3117439, 3597045, 4316454, 6234878, 7194090, 9352317, 10791135, 15587195, 18704634, 21582270, 28056951, 31174390, 46761585, 56113902, 93523170, 140284755, 280569510]

約数ペア:

[(1, 280569510), (2, 140284755), (3, 93523170), (5, 56113902), (6, 46761585), (9, 31174390), (10, 28056951), (13, 21582270), (15, 18704634), (18, 15587195), (26, 10791135), (30, 9352317), (39, 7194090), (45, 6234878), (65, 4316454), (78, 3597045), (90, 3117439), (117, 2398030), (130, 2158227), (195, 1438818), (234, 1199015), (390, 719409), (585, 479606), (1170, 239803)]