90456990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1693}}^1$

素因数の和:1853

約数の個数: 64

約数和(自身を含む): 235642176

約数和(自身を除く): 145185186

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 137, 195, 274, 390, 411, 685, 822, 1370, 1693, 1781, 2055, 3386, 3562, 4110, 5079, 5343, 8465, 8905, 10158, 10686, 16930, 17810, 22009, 25395, 26715, 44018, 50790, 53430, 66027, 110045, 132054, 220090, 231941, 330135, 463882, 660270, 695823, 1159705, 1391646, 2319410, 3015233, 3479115, 6030466, 6958230, 9045699, 15076165, 18091398, 30152330, 45228495, 90456990]

約数ペア:

[(1, 90456990), (2, 45228495), (3, 30152330), (5, 18091398), (6, 15076165), (10, 9045699), (13, 6958230), (15, 6030466), (26, 3479115), (30, 3015233), (39, 2319410), (65, 1391646), (78, 1159705), (130, 695823), (137, 660270), (195, 463882), (274, 330135), (390, 231941), (411, 220090), (685, 132054), (822, 110045), (1370, 66027), (1693, 53430), (1781, 50790), (2055, 44018), (3386, 26715), (3562, 25395), (4110, 22009), (5079, 17810), (5343, 16930), (8465, 10686), (8905, 10158)]