240164340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307903}}^1$

素因数の和:307928

約数の個数: 48

約数和(自身を含む): 724190208

約数和(自身を除く): 484025868

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, 307903, 615806, 923709, 1231612, 1539515, 1847418, 3079030, 3694836, 4002739, 4618545, 6158060, 8005478, 9237090, 12008217, 16010956, 18474180, 20013695, 24016434, 40027390, 48032868, 60041085, 80054780, 120082170, 240164340]

約数ペア:

[(1, 240164340), (2, 120082170), (3, 80054780), (4, 60041085), (5, 48032868), (6, 40027390), (10, 24016434), (12, 20013695), (13, 18474180), (15, 16010956), (20, 12008217), (26, 9237090), (30, 8005478), (39, 6158060), (52, 4618545), (60, 4002739), (65, 3694836), (78, 3079030), (130, 1847418), (156, 1539515), (195, 1231612), (260, 923709), (390, 615806), (780, 307903)]