72671040

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 224

約数和(自身を含む): 276514560

約数和(自身を除く): 203843520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 647, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1170, 1248, 1294, 1404, 1440, 1560, 1728, 1755, 1872, 1941, 2080, 2160, 2340, 2496, 2588, 2808, 2880, 3120, 3235, 3510, 3744, 3882, 4160, 4320, 4680, 5176, 5616, 5823, 6240, 6470, 7020, 7488, 7764, 8411, 8640, 9360, 9705, 10352, 11232, 11646, 12480, 12940, 14040, 15528, 16822, 17469, 18720, 19410, 20704, 22464, 23292, 25233, 25880, 28080, 29115, 31056, 33644, 34938, 37440, 38820, 41408, 42055, 46584, 50466, 51760, 56160, 58230, 62112, 67288, 69876, 75699, 77640, 84110, 87345, 93168, 100932, 103520, 112320, 116460, 124224, 126165, 134576, 139752, 151398, 155280, 168220, 174690, 186336, 201864, 207040, 227097, 232920, 252330, 269152, 279504, 302796, 310560, 336440, 349380, 372672, 378495, 403728, 454194, 465840, 504660, 538304, 559008, 605592, 621120, 672880, 698760, 756990, 807456, 908388, 931680, 1009320, 1118016, 1135485, 1211184, 1345760, 1397520, 1513980, 1614912, 1816776, 1863360, 2018640, 2270970, 2422368, 2691520, 2795040, 3027960, 3633552, 4037280, 4541940, 4844736, 5590080, 6055920, 7267104, 8074560, 9083880, 12111840, 14534208, 18167760, 24223680, 36335520, 72671040]

約数ペア:

[(1, 72671040), (2, 36335520), (3, 24223680), (4, 18167760), (5, 14534208), (6, 12111840), (8, 9083880), (9, 8074560), (10, 7267104), (12, 6055920), (13, 5590080), (15, 4844736), (16, 4541940), (18, 4037280), (20, 3633552), (24, 3027960), (26, 2795040), (27, 2691520), (30, 2422368), (32, 2270970), (36, 2018640), (39, 1863360), (40, 1816776), (45, 1614912), (48, 1513980), (52, 1397520), (54, 1345760), (60, 1211184), (64, 1135485), (65, 1118016), (72, 1009320), (78, 931680), (80, 908388), (90, 807456), (96, 756990), (104, 698760), (108, 672880), (117, 621120), (120, 605592), (130, 559008), (135, 538304), (144, 504660), (156, 465840), (160, 454194), (180, 403728), (192, 378495), (195, 372672), (208, 349380), (216, 336440), (234, 310560), (240, 302796), (260, 279504), (270, 269152), (288, 252330), (312, 232920), (320, 227097), (351, 207040), (360, 201864), (390, 186336), (416, 174690), (432, 168220), (468, 155280), (480, 151398), (520, 139752), (540, 134576), (576, 126165), (585, 124224), (624, 116460), (647, 112320), (702, 103520), (720, 100932), (780, 93168), (832, 87345), (864, 84110), (936, 77640), (960, 75699), (1040, 69876), (1080, 67288), (1170, 62112), (1248, 58230), (1294, 56160), (1404, 51760), (1440, 50466), (1560, 46584), (1728, 42055), (1755, 41408), (1872, 38820), (1941, 37440), (2080, 34938), (2160, 33644), (2340, 31056), (2496, 29115), (2588, 28080), (2808, 25880), (2880, 25233), (3120, 23292), (3235, 22464), (3510, 20704), (3744, 19410), (3882, 18720), (4160, 17469), (4320, 16822), (4680, 15528), (5176, 14040), (5616, 12940), (5823, 12480), (6240, 11646), (6470, 11232), (7020, 10352), (7488, 9705), (7764, 9360), (8411, 8640)]