80705520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 240

約数和(自身を含む): 315694080

約数和(自身を除く): 234988560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 67, 70, 72, 80, 84, 90, 105, 112, 120, 126, 134, 140, 144, 168, 180, 201, 210, 239, 240, 252, 268, 280, 315, 335, 336, 360, 402, 420, 469, 478, 504, 536, 560, 603, 630, 670, 717, 720, 804, 840, 938, 956, 1005, 1008, 1072, 1195, 1206, 1260, 1340, 1407, 1434, 1608, 1673, 1680, 1876, 1912, 2010, 2151, 2345, 2390, 2412, 2520, 2680, 2814, 2868, 3015, 3216, 3346, 3585, 3752, 3824, 4020, 4221, 4302, 4690, 4780, 4824, 5019, 5040, 5360, 5628, 5736, 6030, 6692, 7035, 7170, 7504, 8040, 8365, 8442, 8604, 9380, 9560, 9648, 10038, 10755, 11256, 11472, 12060, 13384, 14070, 14340, 15057, 16013, 16080, 16730, 16884, 17208, 18760, 19120, 20076, 21105, 21510, 22512, 24120, 25095, 26768, 28140, 28680, 30114, 32026, 33460, 33768, 34416, 37520, 40152, 42210, 43020, 48039, 48240, 50190, 56280, 57360, 60228, 64052, 66920, 67536, 75285, 80065, 80304, 84420, 86040, 96078, 100380, 112091, 112560, 120456, 128104, 133840, 144117, 150570, 160130, 168840, 172080, 192156, 200760, 224182, 240195, 240912, 256208, 288234, 301140, 320260, 336273, 337680, 384312, 401520, 448364, 480390, 560455, 576468, 602280, 640520, 672546, 720585, 768624, 896728, 960780, 1008819, 1120910, 1152936, 1204560, 1281040, 1345092, 1441170, 1681365, 1793456, 1921560, 2017638, 2241820, 2305872, 2690184, 2882340, 3362730, 3843120, 4035276, 4483640, 5044095, 5380368, 5764680, 6725460, 8070552, 8967280, 10088190, 11529360, 13450920, 16141104, 20176380, 26901840, 40352760, 80705520]

約数ペア:

[(1, 80705520), (2, 40352760), (3, 26901840), (4, 20176380), (5, 16141104), (6, 13450920), (7, 11529360), (8, 10088190), (9, 8967280), (10, 8070552), (12, 6725460), (14, 5764680), (15, 5380368), (16, 5044095), (18, 4483640), (20, 4035276), (21, 3843120), (24, 3362730), (28, 2882340), (30, 2690184), (35, 2305872), (36, 2241820), (40, 2017638), (42, 1921560), (45, 1793456), (48, 1681365), (56, 1441170), (60, 1345092), (63, 1281040), (67, 1204560), (70, 1152936), (72, 1120910), (80, 1008819), (84, 960780), (90, 896728), (105, 768624), (112, 720585), (120, 672546), (126, 640520), (134, 602280), (140, 576468), (144, 560455), (168, 480390), (180, 448364), (201, 401520), (210, 384312), (239, 337680), (240, 336273), (252, 320260), (268, 301140), (280, 288234), (315, 256208), (335, 240912), (336, 240195), (360, 224182), (402, 200760), (420, 192156), (469, 172080), (478, 168840), (504, 160130), (536, 150570), (560, 144117), (603, 133840), (630, 128104), (670, 120456), (717, 112560), (720, 112091), (804, 100380), (840, 96078), (938, 86040), (956, 84420), (1005, 80304), (1008, 80065), (1072, 75285), (1195, 67536), (1206, 66920), (1260, 64052), (1340, 60228), (1407, 57360), (1434, 56280), (1608, 50190), (1673, 48240), (1680, 48039), (1876, 43020), (1912, 42210), (2010, 40152), (2151, 37520), (2345, 34416), (2390, 33768), (2412, 33460), (2520, 32026), (2680, 30114), (2814, 28680), (2868, 28140), (3015, 26768), (3216, 25095), (3346, 24120), (3585, 22512), (3752, 21510), (3824, 21105), (4020, 20076), (4221, 19120), (4302, 18760), (4690, 17208), (4780, 16884), (4824, 16730), (5019, 16080), (5040, 16013), (5360, 15057), (5628, 14340), (5736, 14070), (6030, 13384), (6692, 12060), (7035, 11472), (7170, 11256), (7504, 10755), (8040, 10038), (8365, 9648), (8442, 9560), (8604, 9380)]