21123757440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{7039}}^1$

素因数の和:7585

約数の個数: 192

約数和(自身を含む): 73093363200

約数和(自身を除く): 51969605760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 521, 576, 640, 720, 960, 1042, 1152, 1440, 1563, 1920, 2084, 2605, 2880, 3126, 4168, 4689, 5210, 5760, 6252, 7039, 7815, 8336, 9378, 10420, 12504, 14078, 15630, 16672, 18756, 20840, 21117, 23445, 25008, 28156, 31260, 33344, 35195, 37512, 41680, 42234, 46890, 50016, 56312, 62520, 63351, 66688, 70390, 75024, 83360, 84468, 93780, 100032, 105585, 112624, 125040, 126702, 140780, 150048, 166720, 168936, 187560, 200064, 211170, 225248, 250080, 253404, 281560, 300096, 316755, 333440, 337872, 375120, 422340, 450496, 500160, 506808, 563120, 600192, 633510, 675744, 750240, 844680, 900992, 1000320, 1013616, 1126240, 1267020, 1351488, 1500480, 1689360, 2027232, 2252480, 2534040, 2702976, 3000960, 3378720, 3667319, 4054464, 4504960, 5068080, 6757440, 7334638, 8108928, 10136160, 11001957, 13514880, 14669276, 18336595, 20272320, 22003914, 29338552, 33005871, 36673190, 40544640, 44007828, 55009785, 58677104, 66011742, 73346380, 88015656, 110019570, 117354208, 132023484, 146692760, 165029355, 176031312, 220039140, 234708416, 264046968, 293385520, 330058710, 352062624, 440078280, 469416832, 528093936, 586771040, 660117420, 704125248, 880156560, 1056187872, 1173542080, 1320234840, 1408250496, 1760313120, 2112375744, 2347084160, 2640469680, 3520626240, 4224751488, 5280939360, 7041252480, 10561878720, 21123757440]

約数ペア:

[(1, 21123757440), (2, 10561878720), (3, 7041252480), (4, 5280939360), (5, 4224751488), (6, 3520626240), (8, 2640469680), (9, 2347084160), (10, 2112375744), (12, 1760313120), (15, 1408250496), (16, 1320234840), (18, 1173542080), (20, 1056187872), (24, 880156560), (30, 704125248), (32, 660117420), (36, 586771040), (40, 528093936), (45, 469416832), (48, 440078280), (60, 352062624), (64, 330058710), (72, 293385520), (80, 264046968), (90, 234708416), (96, 220039140), (120, 176031312), (128, 165029355), (144, 146692760), (160, 132023484), (180, 117354208), (192, 110019570), (240, 88015656), (288, 73346380), (320, 66011742), (360, 58677104), (384, 55009785), (480, 44007828), (521, 40544640), (576, 36673190), (640, 33005871), (720, 29338552), (960, 22003914), (1042, 20272320), (1152, 18336595), (1440, 14669276), (1563, 13514880), (1920, 11001957), (2084, 10136160), (2605, 8108928), (2880, 7334638), (3126, 6757440), (4168, 5068080), (4689, 4504960), (5210, 4054464), (5760, 3667319), (6252, 3378720), (7039, 3000960), (7815, 2702976), (8336, 2534040), (9378, 2252480), (10420, 2027232), (12504, 1689360), (14078, 1500480), (15630, 1351488), (16672, 1267020), (18756, 1126240), (20840, 1013616), (21117, 1000320), (23445, 900992), (25008, 844680), (28156, 750240), (31260, 675744), (33344, 633510), (35195, 600192), (37512, 563120), (41680, 506808), (42234, 500160), (46890, 450496), (50016, 422340), (56312, 375120), (62520, 337872), (63351, 333440), (66688, 316755), (70390, 300096), (75024, 281560), (83360, 253404), (84468, 250080), (93780, 225248), (100032, 211170), (105585, 200064), (112624, 187560), (125040, 168936), (126702, 166720), (140780, 150048)]