280160640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:582

約数の個数: 256

約数和(自身を含む): 1026201600

約数和(自身を除く): 746040960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 523, 540, 558, 576, 620, 640, 720, 744, 837, 864, 930, 960, 992, 1046, 1080, 1116, 1152, 1240, 1395, 1440, 1488, 1569, 1674, 1728, 1860, 1920, 1984, 2092, 2160, 2232, 2480, 2615, 2790, 2880, 2976, 3138, 3348, 3456, 3720, 3968, 4184, 4185, 4320, 4464, 4707, 4960, 5230, 5580, 5760, 5952, 6276, 6696, 7440, 7845, 8368, 8370, 8640, 8928, 9414, 9920, 10460, 11160, 11904, 12552, 13392, 14121, 14880, 15690, 16213, 16736, 16740, 17280, 17856, 18828, 19840, 20920, 22320, 23535, 25104, 26784, 28242, 29760, 31380, 32426, 33472, 33480, 35712, 37656, 41840, 44640, 47070, 48639, 50208, 53568, 56484, 59520, 62760, 64852, 66944, 66960, 70605, 75312, 81065, 83680, 89280, 94140, 97278, 100416, 107136, 112968, 125520, 129704, 133920, 141210, 145917, 150624, 162130, 167360, 178560, 188280, 194556, 200832, 225936, 243195, 251040, 259408, 267840, 282420, 291834, 301248, 324260, 334720, 376560, 389112, 437751, 451872, 486390, 502080, 518816, 535680, 564840, 583668, 602496, 648520, 729585, 753120, 778224, 875502, 903744, 972780, 1004160, 1037632, 1129680, 1167336, 1297040, 1459170, 1506240, 1556448, 1751004, 1807488, 1945560, 2075264, 2188755, 2259360, 2334672, 2594080, 2918340, 3012480, 3112896, 3502008, 3891120, 4377510, 4518720, 4669344, 5188160, 5836680, 6225792, 7004016, 7782240, 8755020, 9037440, 9338688, 10376320, 11673360, 14008032, 15564480, 17510040, 18677376, 23346720, 28016064, 31128960, 35020080, 46693440, 56032128, 70040160, 93386880, 140080320, 280160640]

約数ペア:

[(1, 280160640), (2, 140080320), (3, 93386880), (4, 70040160), (5, 56032128), (6, 46693440), (8, 35020080), (9, 31128960), (10, 28016064), (12, 23346720), (15, 18677376), (16, 17510040), (18, 15564480), (20, 14008032), (24, 11673360), (27, 10376320), (30, 9338688), (31, 9037440), (32, 8755020), (36, 7782240), (40, 7004016), (45, 6225792), (48, 5836680), (54, 5188160), (60, 4669344), (62, 4518720), (64, 4377510), (72, 3891120), (80, 3502008), (90, 3112896), (93, 3012480), (96, 2918340), (108, 2594080), (120, 2334672), (124, 2259360), (128, 2188755), (135, 2075264), (144, 1945560), (155, 1807488), (160, 1751004), (180, 1556448), (186, 1506240), (192, 1459170), (216, 1297040), (240, 1167336), (248, 1129680), (270, 1037632), (279, 1004160), (288, 972780), (310, 903744), (320, 875502), (360, 778224), (372, 753120), (384, 729585), (432, 648520), (465, 602496), (480, 583668), (496, 564840), (523, 535680), (540, 518816), (558, 502080), (576, 486390), (620, 451872), (640, 437751), (720, 389112), (744, 376560), (837, 334720), (864, 324260), (930, 301248), (960, 291834), (992, 282420), (1046, 267840), (1080, 259408), (1116, 251040), (1152, 243195), (1240, 225936), (1395, 200832), (1440, 194556), (1488, 188280), (1569, 178560), (1674, 167360), (1728, 162130), (1860, 150624), (1920, 145917), (1984, 141210), (2092, 133920), (2160, 129704), (2232, 125520), (2480, 112968), (2615, 107136), (2790, 100416), (2880, 97278), (2976, 94140), (3138, 89280), (3348, 83680), (3456, 81065), (3720, 75312), (3968, 70605), (4184, 66960), (4185, 66944), (4320, 64852), (4464, 62760), (4707, 59520), (4960, 56484), (5230, 53568), (5580, 50208), (5760, 48639), (5952, 47070), (6276, 44640), (6696, 41840), (7440, 37656), (7845, 35712), (8368, 33480), (8370, 33472), (8640, 32426), (8928, 31380), (9414, 29760), (9920, 28242), (10460, 26784), (11160, 25104), (11904, 23535), (12552, 22320), (13392, 20920), (14121, 19840), (14880, 18828), (15690, 17856), (16213, 17280), (16736, 16740)]