20845702080

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{344671}}^1$

素因数の和:344704

約数の個数: 224

約数和(自身を含む): 84044820480

約数和(自身を除く): 63199118400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 344671, 689342, 1034013, 1378684, 1723355, 2068026, 2412697, 2757368, 3102039, 3446710, 4136052, 4825394, 5170065, 5514736, 6204078, 6893420, 7238091, 8272104, 9306117, 9650788, 10340130, 11029472, 12063485, 12408156, 13786840, 14476182, 15510195, 16544208, 18612234, 19301576, 20680260, 21714273, 22058944, 24126970, 24816312, 27573680, 28952364, 31020390, 33088416, 36190455, 37224468, 38603152, 41360520, 43428546, 46530585, 48253940, 49632624, 55147360, 57904728, 62040780, 65142819, 66176832, 72380910, 74448936, 77206304, 82721040, 86857092, 93061170, 96507880, 99265248, 108571365, 110294720, 115809456, 124081560, 130285638, 144761820, 148897872, 154412608, 165442080, 173714184, 186122340, 193015760, 198530496, 217142730, 231618912, 248163120, 260571276, 289523640, 297795744, 325714095, 330884160, 347428368, 372244680, 386031520, 434285460, 463237824, 496326240, 521142552, 579047280, 595591488, 651428190, 694856736, 744489360, 772063040, 868570920, 992652480, 1042285104, 1158094560, 1302856380, 1389713472, 1488978720, 1737141840, 2084570208, 2316189120, 2605712760, 2977957440, 3474283680, 4169140416, 5211425520, 6948567360, 10422851040, 20845702080]

約数ペア:

[(1, 20845702080), (2, 10422851040), (3, 6948567360), (4, 5211425520), (5, 4169140416), (6, 3474283680), (7, 2977957440), (8, 2605712760), (9, 2316189120), (10, 2084570208), (12, 1737141840), (14, 1488978720), (15, 1389713472), (16, 1302856380), (18, 1158094560), (20, 1042285104), (21, 992652480), (24, 868570920), (27, 772063040), (28, 744489360), (30, 694856736), (32, 651428190), (35, 595591488), (36, 579047280), (40, 521142552), (42, 496326240), (45, 463237824), (48, 434285460), (54, 386031520), (56, 372244680), (60, 347428368), (63, 330884160), (64, 325714095), (70, 297795744), (72, 289523640), (80, 260571276), (84, 248163120), (90, 231618912), (96, 217142730), (105, 198530496), (108, 193015760), (112, 186122340), (120, 173714184), (126, 165442080), (135, 154412608), (140, 148897872), (144, 144761820), (160, 130285638), (168, 124081560), (180, 115809456), (189, 110294720), (192, 108571365), (210, 99265248), (216, 96507880), (224, 93061170), (240, 86857092), (252, 82721040), (270, 77206304), (280, 74448936), (288, 72380910), (315, 66176832), (320, 65142819), (336, 62040780), (360, 57904728), (378, 55147360), (420, 49632624), (432, 48253940), (448, 46530585), (480, 43428546), (504, 41360520), (540, 38603152), (560, 37224468), (576, 36190455), (630, 33088416), (672, 31020390), (720, 28952364), (756, 27573680), (840, 24816312), (864, 24126970), (945, 22058944), (960, 21714273), (1008, 20680260), (1080, 19301576), (1120, 18612234), (1260, 16544208), (1344, 15510195), (1440, 14476182), (1512, 13786840), (1680, 12408156), (1728, 12063485), (1890, 11029472), (2016, 10340130), (2160, 9650788), (2240, 9306117), (2520, 8272104), (2880, 7238091), (3024, 6893420), (3360, 6204078), (3780, 5514736), (4032, 5170065), (4320, 4825394), (5040, 4136052), (6048, 3446710), (6720, 3102039), (7560, 2757368), (8640, 2412697), (10080, 2068026), (12096, 1723355), (15120, 1378684), (20160, 1034013), (30240, 689342), (60480, 344671)]