161828480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 128

約数和(自身を含む): 427714560

約数和(自身を除く): 265886080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 128, 160, 176, 181, 220, 254, 320, 352, 362, 440, 508, 635, 640, 704, 724, 880, 905, 1016, 1270, 1397, 1408, 1448, 1760, 1810, 1991, 2032, 2540, 2794, 2896, 3520, 3620, 3982, 4064, 5080, 5588, 5792, 6985, 7040, 7240, 7964, 8128, 9955, 10160, 11176, 11584, 13970, 14480, 15928, 16256, 19910, 20320, 22352, 22987, 23168, 27940, 28960, 31856, 39820, 40640, 44704, 45974, 55880, 57920, 63712, 79640, 81280, 89408, 91948, 111760, 114935, 115840, 127424, 159280, 178816, 183896, 223520, 229870, 252857, 254848, 318560, 367792, 447040, 459740, 505714, 637120, 735584, 894080, 919480, 1011428, 1264285, 1274240, 1471168, 1838960, 2022856, 2528570, 2942336, 3677920, 4045712, 5057140, 7355840, 8091424, 10114280, 14711680, 16182848, 20228560, 32365696, 40457120, 80914240, 161828480]

約数ペア:

[(1, 161828480), (2, 80914240), (4, 40457120), (5, 32365696), (8, 20228560), (10, 16182848), (11, 14711680), (16, 10114280), (20, 8091424), (22, 7355840), (32, 5057140), (40, 4045712), (44, 3677920), (55, 2942336), (64, 2528570), (80, 2022856), (88, 1838960), (110, 1471168), (127, 1274240), (128, 1264285), (160, 1011428), (176, 919480), (181, 894080), (220, 735584), (254, 637120), (320, 505714), (352, 459740), (362, 447040), (440, 367792), (508, 318560), (635, 254848), (640, 252857), (704, 229870), (724, 223520), (880, 183896), (905, 178816), (1016, 159280), (1270, 127424), (1397, 115840), (1408, 114935), (1448, 111760), (1760, 91948), (1810, 89408), (1991, 81280), (2032, 79640), (2540, 63712), (2794, 57920), (2896, 55880), (3520, 45974), (3620, 44704), (3982, 40640), (4064, 39820), (5080, 31856), (5588, 28960), (5792, 27940), (6985, 23168), (7040, 22987), (7240, 22352), (7964, 20320), (8128, 19910), (9955, 16256), (10160, 15928), (11176, 14480), (11584, 13970)]