21964080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 71589168

約数和(自身を除く): 49625088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 173, 184, 230, 240, 276, 345, 346, 368, 460, 519, 529, 552, 690, 692, 865, 920, 1038, 1058, 1104, 1380, 1384, 1587, 1730, 1840, 2076, 2116, 2595, 2645, 2760, 2768, 3174, 3460, 3979, 4152, 4232, 5190, 5290, 5520, 6348, 6920, 7935, 7958, 8304, 8464, 10380, 10580, 11937, 12696, 13840, 15870, 15916, 19895, 20760, 21160, 23874, 25392, 31740, 31832, 39790, 41520, 42320, 47748, 59685, 63480, 63664, 79580, 91517, 95496, 119370, 126960, 159160, 183034, 190992, 238740, 274551, 318320, 366068, 457585, 477480, 549102, 732136, 915170, 954960, 1098204, 1372755, 1464272, 1830340, 2196408, 2745510, 3660680, 4392816, 5491020, 7321360, 10982040, 21964080]

約数ペア:

[(1, 21964080), (2, 10982040), (3, 7321360), (4, 5491020), (5, 4392816), (6, 3660680), (8, 2745510), (10, 2196408), (12, 1830340), (15, 1464272), (16, 1372755), (20, 1098204), (23, 954960), (24, 915170), (30, 732136), (40, 549102), (46, 477480), (48, 457585), (60, 366068), (69, 318320), (80, 274551), (92, 238740), (115, 190992), (120, 183034), (138, 159160), (173, 126960), (184, 119370), (230, 95496), (240, 91517), (276, 79580), (345, 63664), (346, 63480), (368, 59685), (460, 47748), (519, 42320), (529, 41520), (552, 39790), (690, 31832), (692, 31740), (865, 25392), (920, 23874), (1038, 21160), (1058, 20760), (1104, 19895), (1380, 15916), (1384, 15870), (1587, 13840), (1730, 12696), (1840, 11937), (2076, 10580), (2116, 10380), (2595, 8464), (2645, 8304), (2760, 7958), (2768, 7935), (3174, 6920), (3460, 6348), (3979, 5520), (4152, 5290), (4232, 5190)]