647291520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:872

約数の個数: 256

約数和(自身を含む): 2344204800

約数和(自身を除く): 1696913280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 64, 72, 80, 90, 94, 96, 108, 120, 128, 135, 141, 144, 160, 180, 188, 192, 216, 235, 240, 270, 282, 288, 320, 360, 376, 384, 423, 432, 470, 480, 540, 564, 576, 640, 705, 720, 752, 797, 846, 864, 940, 960, 1080, 1128, 1152, 1269, 1410, 1440, 1504, 1594, 1692, 1728, 1880, 1920, 2115, 2160, 2256, 2391, 2538, 2820, 2880, 3008, 3188, 3384, 3456, 3760, 3985, 4230, 4320, 4512, 4782, 5076, 5640, 5760, 6016, 6345, 6376, 6768, 7173, 7520, 7970, 8460, 8640, 9024, 9564, 10152, 11280, 11955, 12690, 12752, 13536, 14346, 15040, 15940, 16920, 17280, 18048, 19128, 20304, 21519, 22560, 23910, 25380, 25504, 27072, 28692, 30080, 31880, 33840, 35865, 37459, 38256, 40608, 43038, 45120, 47820, 50760, 51008, 54144, 57384, 63760, 67680, 71730, 74918, 76512, 81216, 86076, 90240, 95640, 101520, 102016, 107595, 112377, 114768, 127520, 135360, 143460, 149836, 153024, 162432, 172152, 187295, 191280, 203040, 215190, 224754, 229536, 255040, 270720, 286920, 299672, 306048, 337131, 344304, 374590, 382560, 406080, 430380, 449508, 459072, 510080, 561885, 573840, 599344, 674262, 688608, 749180, 765120, 812160, 860760, 899016, 918144, 1011393, 1123770, 1147680, 1198688, 1348524, 1377216, 1498360, 1530240, 1685655, 1721520, 1798032, 2022786, 2247540, 2295360, 2397376, 2697048, 2754432, 2996720, 3371310, 3443040, 3596064, 4045572, 4495080, 4590720, 4794752, 5056965, 5394096, 5993440, 6742620, 6886080, 7192128, 8091144, 8990160, 10113930, 10788192, 11986880, 13485240, 13772160, 14384256, 16182288, 17980320, 20227860, 21576384, 23973760, 26970480, 32364576, 35960640, 40455720, 43152768, 53940960, 64729152, 71921280, 80911440, 107881920, 129458304, 161822880, 215763840, 323645760, 647291520]

約数ペア:

[(1, 647291520), (2, 323645760), (3, 215763840), (4, 161822880), (5, 129458304), (6, 107881920), (8, 80911440), (9, 71921280), (10, 64729152), (12, 53940960), (15, 43152768), (16, 40455720), (18, 35960640), (20, 32364576), (24, 26970480), (27, 23973760), (30, 21576384), (32, 20227860), (36, 17980320), (40, 16182288), (45, 14384256), (47, 13772160), (48, 13485240), (54, 11986880), (60, 10788192), (64, 10113930), (72, 8990160), (80, 8091144), (90, 7192128), (94, 6886080), (96, 6742620), (108, 5993440), (120, 5394096), (128, 5056965), (135, 4794752), (141, 4590720), (144, 4495080), (160, 4045572), (180, 3596064), (188, 3443040), (192, 3371310), (216, 2996720), (235, 2754432), (240, 2697048), (270, 2397376), (282, 2295360), (288, 2247540), (320, 2022786), (360, 1798032), (376, 1721520), (384, 1685655), (423, 1530240), (432, 1498360), (470, 1377216), (480, 1348524), (540, 1198688), (564, 1147680), (576, 1123770), (640, 1011393), (705, 918144), (720, 899016), (752, 860760), (797, 812160), (846, 765120), (864, 749180), (940, 688608), (960, 674262), (1080, 599344), (1128, 573840), (1152, 561885), (1269, 510080), (1410, 459072), (1440, 449508), (1504, 430380), (1594, 406080), (1692, 382560), (1728, 374590), (1880, 344304), (1920, 337131), (2115, 306048), (2160, 299672), (2256, 286920), (2391, 270720), (2538, 255040), (2820, 229536), (2880, 224754), (3008, 215190), (3188, 203040), (3384, 191280), (3456, 187295), (3760, 172152), (3985, 162432), (4230, 153024), (4320, 149836), (4512, 143460), (4782, 135360), (5076, 127520), (5640, 114768), (5760, 112377), (6016, 107595), (6345, 102016), (6376, 101520), (6768, 95640), (7173, 90240), (7520, 86076), (7970, 81216), (8460, 76512), (8640, 74918), (9024, 71730), (9564, 67680), (10152, 63760), (11280, 57384), (11955, 54144), (12690, 51008), (12752, 50760), (13536, 47820), (14346, 45120), (15040, 43038), (15940, 40608), (16920, 38256), (17280, 37459), (18048, 35865), (19128, 33840), (20304, 31880), (21519, 30080), (22560, 28692), (23910, 27072), (25380, 25504)]