17980080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3978

約数の個数: 80

約数和(自身を含む): 58686720

約数和(自身を除く): 40706640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 3943, 4560, 7886, 11829, 15772, 19715, 23658, 31544, 39430, 47316, 59145, 63088, 74917, 78860, 94632, 118290, 149834, 157720, 189264, 224751, 236580, 299668, 315440, 374585, 449502, 473160, 599336, 749170, 899004, 946320, 1123755, 1198672, 1498340, 1798008, 2247510, 2996680, 3596016, 4495020, 5993360, 8990040, 17980080]

約数ペア:

[(1, 17980080), (2, 8990040), (3, 5993360), (4, 4495020), (5, 3596016), (6, 2996680), (8, 2247510), (10, 1798008), (12, 1498340), (15, 1198672), (16, 1123755), (19, 946320), (20, 899004), (24, 749170), (30, 599336), (38, 473160), (40, 449502), (48, 374585), (57, 315440), (60, 299668), (76, 236580), (80, 224751), (95, 189264), (114, 157720), (120, 149834), (152, 118290), (190, 94632), (228, 78860), (240, 74917), (285, 63088), (304, 59145), (380, 47316), (456, 39430), (570, 31544), (760, 23658), (912, 19715), (1140, 15772), (1520, 11829), (2280, 7886), (3943, 4560)]