1309616640

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{18947}}^1$

素因数の和:18979

約数の個数: 160

約数和(自身を含む): 4652112960

約数和(自身を除く): 3342496320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 11520, 13824, 17280, 18947, 23040, 34560, 37894, 56841, 69120, 75788, 94735, 113682, 151576, 170523, 189470, 227364, 284205, 303152, 341046, 378940, 454728, 511569, 568410, 606304, 682092, 757880, 852615, 909456, 1023138, 1136820, 1212608, 1364184, 1515760, 1705230, 1818912, 2046276, 2273640, 2425216, 2557845, 2728368, 3031520, 3410460, 3637824, 4092552, 4547280, 4850432, 5115690, 5456736, 6063040, 6820920, 7275648, 8185104, 9094560, 9700864, 10231380, 10913472, 12126080, 13641840, 14551296, 16370208, 18189120, 20462760, 21826944, 24252160, 27283680, 29102592, 32740416, 36378240, 40925520, 43653888, 48504320, 54567360, 65480832, 72756480, 81851040, 87307776, 109134720, 130961664, 145512960, 163702080, 218269440, 261923328, 327404160, 436538880, 654808320, 1309616640]

約数ペア:

[(1, 1309616640), (2, 654808320), (3, 436538880), (4, 327404160), (5, 261923328), (6, 218269440), (8, 163702080), (9, 145512960), (10, 130961664), (12, 109134720), (15, 87307776), (16, 81851040), (18, 72756480), (20, 65480832), (24, 54567360), (27, 48504320), (30, 43653888), (32, 40925520), (36, 36378240), (40, 32740416), (45, 29102592), (48, 27283680), (54, 24252160), (60, 21826944), (64, 20462760), (72, 18189120), (80, 16370208), (90, 14551296), (96, 13641840), (108, 12126080), (120, 10913472), (128, 10231380), (135, 9700864), (144, 9094560), (160, 8185104), (180, 7275648), (192, 6820920), (216, 6063040), (240, 5456736), (256, 5115690), (270, 4850432), (288, 4547280), (320, 4092552), (360, 3637824), (384, 3410460), (432, 3031520), (480, 2728368), (512, 2557845), (540, 2425216), (576, 2273640), (640, 2046276), (720, 1818912), (768, 1705230), (864, 1515760), (960, 1364184), (1080, 1212608), (1152, 1136820), (1280, 1023138), (1440, 909456), (1536, 852615), (1728, 757880), (1920, 682092), (2160, 606304), (2304, 568410), (2560, 511569), (2880, 454728), (3456, 378940), (3840, 341046), (4320, 303152), (4608, 284205), (5760, 227364), (6912, 189470), (7680, 170523), (8640, 151576), (11520, 113682), (13824, 94735), (17280, 75788), (18947, 69120), (23040, 56841), (34560, 37894)]