648604320

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:548

約数の個数: 384

約数和(自身を含む): 2601123840

約数和(自身を除く): 1952519520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 31, 32, 35, 39, 40, 42, 48, 52, 56, 60, 62, 65, 70, 78, 80, 84, 91, 93, 96, 104, 105, 112, 120, 124, 130, 140, 155, 156, 160, 168, 182, 186, 195, 208, 210, 217, 224, 240, 248, 260, 273, 280, 310, 312, 336, 364, 372, 390, 403, 416, 420, 434, 455, 465, 479, 480, 496, 520, 546, 560, 620, 624, 651, 672, 728, 744, 780, 806, 840, 868, 910, 930, 958, 992, 1040, 1085, 1092, 1120, 1209, 1240, 1248, 1302, 1365, 1437, 1456, 1488, 1560, 1612, 1680, 1736, 1820, 1860, 1916, 2015, 2080, 2170, 2184, 2395, 2418, 2480, 2604, 2730, 2821, 2874, 2912, 2976, 3120, 3224, 3255, 3353, 3360, 3472, 3640, 3720, 3832, 4030, 4340, 4368, 4790, 4836, 4960, 5208, 5460, 5642, 5748, 6045, 6227, 6240, 6448, 6510, 6706, 6944, 7185, 7280, 7440, 7664, 8060, 8463, 8680, 8736, 9580, 9672, 10059, 10416, 10920, 11284, 11496, 12090, 12454, 12896, 13020, 13412, 14105, 14370, 14560, 14849, 14880, 15328, 16120, 16765, 16926, 17360, 18681, 19160, 19344, 20118, 20832, 21840, 22568, 22992, 24180, 24908, 26040, 26824, 28210, 28740, 29698, 31135, 32240, 33530, 33852, 34720, 37362, 38320, 38688, 40236, 42315, 43589, 43680, 44547, 45136, 45984, 48360, 49816, 50295, 52080, 53648, 56420, 57480, 59396, 62270, 64480, 67060, 67704, 74245, 74724, 76640, 80472, 84630, 87178, 89094, 90272, 93405, 96720, 99632, 100590, 103943, 104160, 107296, 112840, 114960, 118792, 124540, 130767, 134120, 135408, 148490, 149448, 160944, 169260, 174356, 178188, 186810, 193037, 193440, 199264, 201180, 207886, 217945, 222735, 225680, 229920, 237584, 249080, 261534, 268240, 270816, 296980, 298896, 311829, 321888, 338520, 348712, 356376, 373620, 386074, 402360, 415772, 435890, 445470, 451360, 475168, 498160, 519715, 523068, 536480, 579111, 593960, 597792, 623658, 653835, 677040, 697424, 712752, 747240, 772148, 804720, 831544, 871780, 890940, 965185, 996320, 1039430, 1046136, 1158222, 1187920, 1247316, 1307670, 1351259, 1354080, 1394848, 1425504, 1494480, 1544296, 1559145, 1609440, 1663088, 1743560, 1781880, 1930370, 2078860, 2092272, 2316444, 2375840, 2494632, 2615340, 2702518, 2895555, 2988960, 3088592, 3118290, 3326176, 3487120, 3563760, 3860740, 4053777, 4157720, 4184544, 4632888, 4989264, 5230680, 5405036, 5791110, 6177184, 6236580, 6756295, 6974240, 7127520, 7721480, 8107554, 8315440, 9265776, 9978528, 10461360, 10810072, 11582220, 12473160, 13512590, 15442960, 16215108, 16630880, 18531552, 20268885, 20922720, 21620144, 23164440, 24946320, 27025180, 30885920, 32430216, 40537770, 43240288, 46328880, 49892640, 54050360, 64860432, 81075540, 92657760, 108100720, 129720864, 162151080, 216201440, 324302160, 648604320]

約数ペア:

[(1, 648604320), (2, 324302160), (3, 216201440), (4, 162151080), (5, 129720864), (6, 108100720), (7, 92657760), (8, 81075540), (10, 64860432), (12, 54050360), (13, 49892640), (14, 46328880), (15, 43240288), (16, 40537770), (20, 32430216), (21, 30885920), (24, 27025180), (26, 24946320), (28, 23164440), (30, 21620144), (31, 20922720), (32, 20268885), (35, 18531552), (39, 16630880), (40, 16215108), (42, 15442960), (48, 13512590), (52, 12473160), (56, 11582220), (60, 10810072), (62, 10461360), (65, 9978528), (70, 9265776), (78, 8315440), (80, 8107554), (84, 7721480), (91, 7127520), (93, 6974240), (96, 6756295), (104, 6236580), (105, 6177184), (112, 5791110), (120, 5405036), (124, 5230680), (130, 4989264), (140, 4632888), (155, 4184544), (156, 4157720), (160, 4053777), (168, 3860740), (182, 3563760), (186, 3487120), (195, 3326176), (208, 3118290), (210, 3088592), (217, 2988960), (224, 2895555), (240, 2702518), (248, 2615340), (260, 2494632), (273, 2375840), (280, 2316444), (310, 2092272), (312, 2078860), (336, 1930370), (364, 1781880), (372, 1743560), (390, 1663088), (403, 1609440), (416, 1559145), (420, 1544296), (434, 1494480), (455, 1425504), (465, 1394848), (479, 1354080), (480, 1351259), (496, 1307670), (520, 1247316), (546, 1187920), (560, 1158222), (620, 1046136), (624, 1039430), (651, 996320), (672, 965185), (728, 890940), (744, 871780), (780, 831544), (806, 804720), (840, 772148), (868, 747240), (910, 712752), (930, 697424), (958, 677040), (992, 653835), (1040, 623658), (1085, 597792), (1092, 593960), (1120, 579111), (1209, 536480), (1240, 523068), (1248, 519715), (1302, 498160), (1365, 475168), (1437, 451360), (1456, 445470), (1488, 435890), (1560, 415772), (1612, 402360), (1680, 386074), (1736, 373620), (1820, 356376), (1860, 348712), (1916, 338520), (2015, 321888), (2080, 311829), (2170, 298896), (2184, 296980), (2395, 270816), (2418, 268240), (2480, 261534), (2604, 249080), (2730, 237584), (2821, 229920), (2874, 225680), (2912, 222735), (2976, 217945), (3120, 207886), (3224, 201180), (3255, 199264), (3353, 193440), (3360, 193037), (3472, 186810), (3640, 178188), (3720, 174356), (3832, 169260), (4030, 160944), (4340, 149448), (4368, 148490), (4790, 135408), (4836, 134120), (4960, 130767), (5208, 124540), (5460, 118792), (5642, 114960), (5748, 112840), (6045, 107296), (6227, 104160), (6240, 103943), (6448, 100590), (6510, 99632), (6706, 96720), (6944, 93405), (7185, 90272), (7280, 89094), (7440, 87178), (7664, 84630), (8060, 80472), (8463, 76640), (8680, 74724), (8736, 74245), (9580, 67704), (9672, 67060), (10059, 64480), (10416, 62270), (10920, 59396), (11284, 57480), (11496, 56420), (12090, 53648), (12454, 52080), (12896, 50295), (13020, 49816), (13412, 48360), (14105, 45984), (14370, 45136), (14560, 44547), (14849, 43680), (14880, 43589), (15328, 42315), (16120, 40236), (16765, 38688), (16926, 38320), (17360, 37362), (18681, 34720), (19160, 33852), (19344, 33530), (20118, 32240), (20832, 31135), (21840, 29698), (22568, 28740), (22992, 28210), (24180, 26824), (24908, 26040)]