8990040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3976

約数の個数: 64

約数和(自身を含む): 28396800

約数和(自身を除く): 19406760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 3943, 7886, 11829, 15772, 19715, 23658, 31544, 39430, 47316, 59145, 74917, 78860, 94632, 118290, 149834, 157720, 224751, 236580, 299668, 374585, 449502, 473160, 599336, 749170, 899004, 1123755, 1498340, 1798008, 2247510, 2996680, 4495020, 8990040]

約数ペア:

[(1, 8990040), (2, 4495020), (3, 2996680), (4, 2247510), (5, 1798008), (6, 1498340), (8, 1123755), (10, 899004), (12, 749170), (15, 599336), (19, 473160), (20, 449502), (24, 374585), (30, 299668), (38, 236580), (40, 224751), (57, 157720), (60, 149834), (76, 118290), (95, 94632), (114, 78860), (120, 74917), (152, 59145), (190, 47316), (228, 39430), (285, 31544), (380, 23658), (456, 19715), (570, 15772), (760, 11829), (1140, 7886), (2280, 3943)]