1640517120

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6473}}^1$

素因数の和:6513

約数の個数: 240

約数和(自身を含む): 6199036272

約数和(自身を除く): 4558519152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 512, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1536, 1584, 1760, 1920, 1980, 2112, 2304, 2560, 2640, 2816, 2880, 3168, 3520, 3840, 3960, 4224, 4608, 5280, 5632, 5760, 6336, 6473, 7040, 7680, 7920, 8448, 10560, 11520, 12672, 12946, 14080, 15840, 16896, 19419, 21120, 23040, 25344, 25892, 28160, 31680, 32365, 38838, 42240, 50688, 51784, 58257, 63360, 64730, 71203, 77676, 84480, 97095, 103568, 116514, 126720, 129460, 142406, 155352, 194190, 207136, 213609, 233028, 253440, 258920, 284812, 291285, 310704, 356015, 388380, 414272, 427218, 466056, 517840, 569624, 582570, 621408, 640827, 712030, 776760, 828544, 854436, 932112, 1035680, 1068045, 1139248, 1165140, 1242816, 1281654, 1424060, 1553520, 1657088, 1708872, 1864224, 2071360, 2136090, 2278496, 2330280, 2485632, 2563308, 2848120, 3107040, 3204135, 3314176, 3417744, 3728448, 4142720, 4272180, 4556992, 4660560, 4971264, 5126616, 5696240, 6214080, 6408270, 6835488, 7456896, 8285440, 8544360, 9113984, 9321120, 9942528, 10253232, 11392480, 12428160, 12816540, 13670976, 14913792, 16570880, 17088720, 18227968, 18642240, 20506464, 22784960, 24856320, 25633080, 27341952, 29827584, 34177440, 36455936, 37284480, 41012928, 45569920, 49712640, 51266160, 54683904, 68354880, 74568960, 82025856, 91139840, 102532320, 109367808, 136709760, 149137920, 164051712, 182279680, 205064640, 273419520, 328103424, 410129280, 546839040, 820258560, 1640517120]

約数ペア:

[(1, 1640517120), (2, 820258560), (3, 546839040), (4, 410129280), (5, 328103424), (6, 273419520), (8, 205064640), (9, 182279680), (10, 164051712), (11, 149137920), (12, 136709760), (15, 109367808), (16, 102532320), (18, 91139840), (20, 82025856), (22, 74568960), (24, 68354880), (30, 54683904), (32, 51266160), (33, 49712640), (36, 45569920), (40, 41012928), (44, 37284480), (45, 36455936), (48, 34177440), (55, 29827584), (60, 27341952), (64, 25633080), (66, 24856320), (72, 22784960), (80, 20506464), (88, 18642240), (90, 18227968), (96, 17088720), (99, 16570880), (110, 14913792), (120, 13670976), (128, 12816540), (132, 12428160), (144, 11392480), (160, 10253232), (165, 9942528), (176, 9321120), (180, 9113984), (192, 8544360), (198, 8285440), (220, 7456896), (240, 6835488), (256, 6408270), (264, 6214080), (288, 5696240), (320, 5126616), (330, 4971264), (352, 4660560), (360, 4556992), (384, 4272180), (396, 4142720), (440, 3728448), (480, 3417744), (495, 3314176), (512, 3204135), (528, 3107040), (576, 2848120), (640, 2563308), (660, 2485632), (704, 2330280), (720, 2278496), (768, 2136090), (792, 2071360), (880, 1864224), (960, 1708872), (990, 1657088), (1056, 1553520), (1152, 1424060), (1280, 1281654), (1320, 1242816), (1408, 1165140), (1440, 1139248), (1536, 1068045), (1584, 1035680), (1760, 932112), (1920, 854436), (1980, 828544), (2112, 776760), (2304, 712030), (2560, 640827), (2640, 621408), (2816, 582570), (2880, 569624), (3168, 517840), (3520, 466056), (3840, 427218), (3960, 414272), (4224, 388380), (4608, 356015), (5280, 310704), (5632, 291285), (5760, 284812), (6336, 258920), (6473, 253440), (7040, 233028), (7680, 213609), (7920, 207136), (8448, 194190), (10560, 155352), (11520, 142406), (12672, 129460), (12946, 126720), (14080, 116514), (15840, 103568), (16896, 97095), (19419, 84480), (21120, 77676), (23040, 71203), (25344, 64730), (25892, 63360), (28160, 58257), (31680, 51784), (32365, 50688), (38838, 42240)]