61388280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{18947}}^1$

素因数の和:18970

約数の個数: 80

約数和(自身を含む): 206343720

約数和(自身を除く): 144955440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 18947, 37894, 56841, 75788, 94735, 113682, 151576, 170523, 189470, 227364, 284205, 341046, 378940, 454728, 511569, 568410, 682092, 757880, 852615, 1023138, 1136820, 1364184, 1534707, 1705230, 2046276, 2273640, 2557845, 3069414, 3410460, 4092552, 5115690, 6138828, 6820920, 7673535, 10231380, 12277656, 15347070, 20462760, 30694140, 61388280]

約数ペア:

[(1, 61388280), (2, 30694140), (3, 20462760), (4, 15347070), (5, 12277656), (6, 10231380), (8, 7673535), (9, 6820920), (10, 6138828), (12, 5115690), (15, 4092552), (18, 3410460), (20, 3069414), (24, 2557845), (27, 2273640), (30, 2046276), (36, 1705230), (40, 1534707), (45, 1364184), (54, 1136820), (60, 1023138), (72, 852615), (81, 757880), (90, 682092), (108, 568410), (120, 511569), (135, 454728), (162, 378940), (180, 341046), (216, 284205), (270, 227364), (324, 189470), (360, 170523), (405, 151576), (540, 113682), (648, 94735), (810, 75788), (1080, 56841), (1620, 37894), (3240, 18947)]