641927520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:734

約数の個数: 288

約数和(自身を含む): 2407309632

約数和(自身を除く): 1765382112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 53, 60, 65, 72, 78, 80, 90, 96, 104, 106, 117, 120, 130, 144, 156, 159, 160, 180, 195, 208, 212, 234, 240, 260, 265, 288, 312, 318, 360, 390, 416, 424, 468, 477, 480, 520, 530, 585, 624, 636, 647, 689, 720, 780, 795, 848, 936, 954, 1040, 1060, 1170, 1248, 1272, 1294, 1378, 1440, 1560, 1590, 1696, 1872, 1908, 1941, 2067, 2080, 2120, 2340, 2385, 2544, 2588, 2756, 3120, 3180, 3235, 3445, 3744, 3816, 3882, 4134, 4240, 4680, 4770, 5088, 5176, 5512, 5823, 6201, 6240, 6360, 6470, 6890, 7632, 7764, 8268, 8411, 8480, 9360, 9540, 9705, 10335, 10352, 11024, 11646, 12402, 12720, 12940, 13780, 15264, 15528, 16536, 16822, 18720, 19080, 19410, 20670, 20704, 22048, 23292, 24804, 25233, 25440, 25880, 27560, 29115, 31005, 31056, 33072, 33644, 34291, 38160, 38820, 41340, 42055, 46584, 49608, 50466, 51760, 55120, 58230, 62010, 62112, 66144, 67288, 68582, 75699, 76320, 77640, 82680, 84110, 93168, 99216, 100932, 102873, 103520, 110240, 116460, 124020, 126165, 134576, 137164, 151398, 155280, 165360, 168220, 171455, 186336, 198432, 201864, 205746, 232920, 248040, 252330, 269152, 274328, 302796, 308619, 310560, 330720, 336440, 342910, 378495, 403728, 411492, 445783, 465840, 496080, 504660, 514365, 548656, 605592, 617238, 672880, 685820, 756990, 807456, 822984, 891566, 931680, 992160, 1009320, 1028730, 1097312, 1211184, 1234476, 1337349, 1345760, 1371640, 1513980, 1543095, 1645968, 1783132, 2018640, 2057460, 2228915, 2422368, 2468952, 2674698, 2743280, 3027960, 3086190, 3291936, 3566264, 4012047, 4037280, 4114920, 4457830, 4937904, 5349396, 5486560, 6055920, 6172380, 6686745, 7132528, 8024094, 8229840, 8915660, 9875808, 10698792, 12111840, 12344760, 13373490, 14265056, 16048188, 16459680, 17831320, 20060235, 21397584, 24689520, 26746980, 32096376, 35662640, 40120470, 42795168, 49379040, 53493960, 64192752, 71325280, 80240940, 106987920, 128385504, 160481880, 213975840, 320963760, 641927520]

約数ペア:

[(1, 641927520), (2, 320963760), (3, 213975840), (4, 160481880), (5, 128385504), (6, 106987920), (8, 80240940), (9, 71325280), (10, 64192752), (12, 53493960), (13, 49379040), (15, 42795168), (16, 40120470), (18, 35662640), (20, 32096376), (24, 26746980), (26, 24689520), (30, 21397584), (32, 20060235), (36, 17831320), (39, 16459680), (40, 16048188), (45, 14265056), (48, 13373490), (52, 12344760), (53, 12111840), (60, 10698792), (65, 9875808), (72, 8915660), (78, 8229840), (80, 8024094), (90, 7132528), (96, 6686745), (104, 6172380), (106, 6055920), (117, 5486560), (120, 5349396), (130, 4937904), (144, 4457830), (156, 4114920), (159, 4037280), (160, 4012047), (180, 3566264), (195, 3291936), (208, 3086190), (212, 3027960), (234, 2743280), (240, 2674698), (260, 2468952), (265, 2422368), (288, 2228915), (312, 2057460), (318, 2018640), (360, 1783132), (390, 1645968), (416, 1543095), (424, 1513980), (468, 1371640), (477, 1345760), (480, 1337349), (520, 1234476), (530, 1211184), (585, 1097312), (624, 1028730), (636, 1009320), (647, 992160), (689, 931680), (720, 891566), (780, 822984), (795, 807456), (848, 756990), (936, 685820), (954, 672880), (1040, 617238), (1060, 605592), (1170, 548656), (1248, 514365), (1272, 504660), (1294, 496080), (1378, 465840), (1440, 445783), (1560, 411492), (1590, 403728), (1696, 378495), (1872, 342910), (1908, 336440), (1941, 330720), (2067, 310560), (2080, 308619), (2120, 302796), (2340, 274328), (2385, 269152), (2544, 252330), (2588, 248040), (2756, 232920), (3120, 205746), (3180, 201864), (3235, 198432), (3445, 186336), (3744, 171455), (3816, 168220), (3882, 165360), (4134, 155280), (4240, 151398), (4680, 137164), (4770, 134576), (5088, 126165), (5176, 124020), (5512, 116460), (5823, 110240), (6201, 103520), (6240, 102873), (6360, 100932), (6470, 99216), (6890, 93168), (7632, 84110), (7764, 82680), (8268, 77640), (8411, 76320), (8480, 75699), (9360, 68582), (9540, 67288), (9705, 66144), (10335, 62112), (10352, 62010), (11024, 58230), (11646, 55120), (12402, 51760), (12720, 50466), (12940, 49608), (13780, 46584), (15264, 42055), (15528, 41340), (16536, 38820), (16822, 38160), (18720, 34291), (19080, 33644), (19410, 33072), (20670, 31056), (20704, 31005), (22048, 29115), (23292, 27560), (24804, 25880), (25233, 25440)]