1278587520

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1720

約数の個数: 384

約数和(自身を含む): 5314608000

約数和(自身を除く): 4036020480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 128, 133, 140, 144, 152, 160, 168, 171, 180, 190, 192, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 320, 336, 342, 360, 380, 384, 399, 420, 448, 456, 480, 504, 532, 560, 570, 576, 608, 630, 640, 665, 672, 684, 720, 760, 798, 840, 855, 896, 912, 960, 1008, 1064, 1120, 1140, 1152, 1197, 1216, 1260, 1330, 1344, 1368, 1440, 1520, 1596, 1669, 1680, 1710, 1824, 1920, 1995, 2016, 2128, 2240, 2280, 2394, 2432, 2520, 2660, 2688, 2736, 2880, 3040, 3192, 3338, 3360, 3420, 3648, 3990, 4032, 4256, 4480, 4560, 4788, 5007, 5040, 5320, 5472, 5760, 5985, 6080, 6384, 6676, 6720, 6840, 7296, 7980, 8064, 8345, 8512, 9120, 9576, 10014, 10080, 10640, 10944, 11683, 11970, 12160, 12768, 13352, 13440, 13680, 15021, 15960, 16690, 17024, 18240, 19152, 20028, 20160, 21280, 21888, 23366, 23940, 25035, 25536, 26704, 27360, 30042, 31711, 31920, 33380, 35049, 36480, 38304, 40056, 40320, 42560, 46732, 47880, 50070, 51072, 53408, 54720, 58415, 60084, 63422, 63840, 66760, 70098, 75105, 76608, 80112, 85120, 93464, 95133, 95760, 100140, 105147, 106816, 109440, 116830, 120168, 126844, 127680, 133520, 140196, 150210, 153216, 158555, 160224, 175245, 186928, 190266, 191520, 200280, 210294, 213632, 221977, 233660, 240336, 253688, 255360, 267040, 280392, 285399, 300420, 317110, 320448, 350490, 373856, 380532, 383040, 400560, 420588, 443954, 467320, 475665, 480672, 507376, 525735, 534080, 560784, 570798, 600840, 634220, 640896, 665931, 700980, 747712, 761064, 766080, 801120, 841176, 887908, 934640, 951330, 961344, 1014752, 1051470, 1068160, 1109885, 1121568, 1141596, 1201680, 1268440, 1331862, 1401960, 1426995, 1495424, 1522128, 1602240, 1682352, 1775816, 1869280, 1902660, 1922688, 1997793, 2029504, 2102940, 2219770, 2243136, 2283192, 2403360, 2536880, 2663724, 2803920, 2853990, 3044256, 3204480, 3329655, 3364704, 3551632, 3738560, 3805320, 3995586, 4059008, 4205880, 4439540, 4486272, 4566384, 4806720, 5073760, 5327448, 5607840, 5707980, 6088512, 6659310, 6729408, 7103264, 7477120, 7610640, 7991172, 8411760, 8879080, 9132768, 9613440, 9988965, 10147520, 10654896, 11215680, 11415960, 12177024, 13318620, 13458816, 14206528, 15221280, 15982344, 16823520, 17758160, 18265536, 19977930, 20295040, 21309792, 22431360, 22831920, 26637240, 28413056, 30442560, 31964688, 33647040, 35516320, 36531072, 39955860, 42619584, 45663840, 53274480, 60885120, 63929376, 67294080, 71032640, 79911720, 85239168, 91327680, 106548960, 127858752, 142065280, 159823440, 182655360, 213097920, 255717504, 319646880, 426195840, 639293760, 1278587520]

約数ペア:

[(1, 1278587520), (2, 639293760), (3, 426195840), (4, 319646880), (5, 255717504), (6, 213097920), (7, 182655360), (8, 159823440), (9, 142065280), (10, 127858752), (12, 106548960), (14, 91327680), (15, 85239168), (16, 79911720), (18, 71032640), (19, 67294080), (20, 63929376), (21, 60885120), (24, 53274480), (28, 45663840), (30, 42619584), (32, 39955860), (35, 36531072), (36, 35516320), (38, 33647040), (40, 31964688), (42, 30442560), (45, 28413056), (48, 26637240), (56, 22831920), (57, 22431360), (60, 21309792), (63, 20295040), (64, 19977930), (70, 18265536), (72, 17758160), (76, 16823520), (80, 15982344), (84, 15221280), (90, 14206528), (95, 13458816), (96, 13318620), (105, 12177024), (112, 11415960), (114, 11215680), (120, 10654896), (126, 10147520), (128, 9988965), (133, 9613440), (140, 9132768), (144, 8879080), (152, 8411760), (160, 7991172), (168, 7610640), (171, 7477120), (180, 7103264), (190, 6729408), (192, 6659310), (210, 6088512), (224, 5707980), (228, 5607840), (240, 5327448), (252, 5073760), (266, 4806720), (280, 4566384), (285, 4486272), (288, 4439540), (304, 4205880), (315, 4059008), (320, 3995586), (336, 3805320), (342, 3738560), (360, 3551632), (380, 3364704), (384, 3329655), (399, 3204480), (420, 3044256), (448, 2853990), (456, 2803920), (480, 2663724), (504, 2536880), (532, 2403360), (560, 2283192), (570, 2243136), (576, 2219770), (608, 2102940), (630, 2029504), (640, 1997793), (665, 1922688), (672, 1902660), (684, 1869280), (720, 1775816), (760, 1682352), (798, 1602240), (840, 1522128), (855, 1495424), (896, 1426995), (912, 1401960), (960, 1331862), (1008, 1268440), (1064, 1201680), (1120, 1141596), (1140, 1121568), (1152, 1109885), (1197, 1068160), (1216, 1051470), (1260, 1014752), (1330, 961344), (1344, 951330), (1368, 934640), (1440, 887908), (1520, 841176), (1596, 801120), (1669, 766080), (1680, 761064), (1710, 747712), (1824, 700980), (1920, 665931), (1995, 640896), (2016, 634220), (2128, 600840), (2240, 570798), (2280, 560784), (2394, 534080), (2432, 525735), (2520, 507376), (2660, 480672), (2688, 475665), (2736, 467320), (2880, 443954), (3040, 420588), (3192, 400560), (3338, 383040), (3360, 380532), (3420, 373856), (3648, 350490), (3990, 320448), (4032, 317110), (4256, 300420), (4480, 285399), (4560, 280392), (4788, 267040), (5007, 255360), (5040, 253688), (5320, 240336), (5472, 233660), (5760, 221977), (5985, 213632), (6080, 210294), (6384, 200280), (6676, 191520), (6720, 190266), (6840, 186928), (7296, 175245), (7980, 160224), (8064, 158555), (8345, 153216), (8512, 150210), (9120, 140196), (9576, 133520), (10014, 127680), (10080, 126844), (10640, 120168), (10944, 116830), (11683, 109440), (11970, 106816), (12160, 105147), (12768, 100140), (13352, 95760), (13440, 95133), (13680, 93464), (15021, 85120), (15960, 80112), (16690, 76608), (17024, 75105), (18240, 70098), (19152, 66760), (20028, 63840), (20160, 63422), (21280, 60084), (21888, 58415), (23366, 54720), (23940, 53408), (25035, 51072), (25536, 50070), (26704, 47880), (27360, 46732), (30042, 42560), (31711, 40320), (31920, 40056), (33380, 38304), (35049, 36480)]