247597920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1397

約数の個数: 144

約数和(自身を含む): 851694480

約数和(自身を除く): 604096560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 139, 144, 160, 180, 240, 278, 288, 360, 417, 480, 556, 695, 720, 834, 1112, 1237, 1251, 1390, 1440, 1668, 2085, 2224, 2474, 2502, 2780, 3336, 3711, 4170, 4448, 4948, 5004, 5560, 6185, 6255, 6672, 7422, 8340, 9896, 10008, 11120, 11133, 12370, 12510, 13344, 14844, 16680, 18555, 19792, 20016, 22240, 22266, 24740, 25020, 29688, 33360, 37110, 39584, 40032, 44532, 49480, 50040, 55665, 59376, 66720, 74220, 89064, 98960, 100080, 111330, 118752, 148440, 171943, 178128, 197920, 200160, 222660, 296880, 343886, 356256, 445320, 515829, 593760, 687772, 859715, 890640, 1031658, 1375544, 1547487, 1719430, 1781280, 2063316, 2579145, 2751088, 3094974, 3438860, 4126632, 5158290, 5502176, 6189948, 6877720, 7737435, 8253264, 10316580, 12379896, 13755440, 15474870, 16506528, 20633160, 24759792, 27510880, 30949740, 41266320, 49519584, 61899480, 82532640, 123798960, 247597920]

約数ペア:

[(1, 247597920), (2, 123798960), (3, 82532640), (4, 61899480), (5, 49519584), (6, 41266320), (8, 30949740), (9, 27510880), (10, 24759792), (12, 20633160), (15, 16506528), (16, 15474870), (18, 13755440), (20, 12379896), (24, 10316580), (30, 8253264), (32, 7737435), (36, 6877720), (40, 6189948), (45, 5502176), (48, 5158290), (60, 4126632), (72, 3438860), (80, 3094974), (90, 2751088), (96, 2579145), (120, 2063316), (139, 1781280), (144, 1719430), (160, 1547487), (180, 1375544), (240, 1031658), (278, 890640), (288, 859715), (360, 687772), (417, 593760), (480, 515829), (556, 445320), (695, 356256), (720, 343886), (834, 296880), (1112, 222660), (1237, 200160), (1251, 197920), (1390, 178128), (1440, 171943), (1668, 148440), (2085, 118752), (2224, 111330), (2474, 100080), (2502, 98960), (2780, 89064), (3336, 74220), (3711, 66720), (4170, 59376), (4448, 55665), (4948, 50040), (5004, 49480), (5560, 44532), (6185, 40032), (6255, 39584), (6672, 37110), (7422, 33360), (8340, 29688), (9896, 25020), (10008, 24740), (11120, 22266), (11133, 22240), (12370, 20016), (12510, 19792), (13344, 18555), (14844, 16680)]