81851040

素因数分解:

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

素因数の和:18971

約数の個数: 96

約数和(自身を含む): 286493760

約数和(自身を除く): 204642720

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 18947, 37894, 56841, 75788, 94735, 113682, 151576, 170523, 189470, 227364, 284205, 303152, 341046, 378940, 454728, 511569, 568410, 606304, 682092, 757880, 852615, 909456, 1023138, 1136820, 1364184, 1515760, 1705230, 1818912, 2046276, 2273640, 2557845, 2728368, 3031520, 3410460, 4092552, 4547280, 5115690, 5456736, 6820920, 8185104, 9094560, 10231380, 13641840, 16370208, 20462760, 27283680, 40925520, 81851040]

約数ペア:

[(1, 81851040), (2, 40925520), (3, 27283680), (4, 20462760), (5, 16370208), (6, 13641840), (8, 10231380), (9, 9094560), (10, 8185104), (12, 6820920), (15, 5456736), (16, 5115690), (18, 4547280), (20, 4092552), (24, 3410460), (27, 3031520), (30, 2728368), (32, 2557845), (36, 2273640), (40, 2046276), (45, 1818912), (48, 1705230), (54, 1515760), (60, 1364184), (72, 1136820), (80, 1023138), (90, 909456), (96, 852615), (108, 757880), (120, 682092), (135, 606304), (144, 568410), (160, 511569), (180, 454728), (216, 378940), (240, 341046), (270, 303152), (288, 284205), (360, 227364), (432, 189470), (480, 170523), (540, 151576), (720, 113682), (864, 94735), (1080, 75788), (1440, 56841), (2160, 37894), (4320, 18947)]