18485582720

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1325

約数の個数: 256

約数和(自身を含む): 50507919360

約数和(自身を除く): 32022336640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 71, 80, 88, 110, 124, 128, 142, 155, 160, 176, 220, 248, 284, 310, 320, 341, 352, 355, 440, 496, 568, 620, 640, 682, 704, 710, 781, 880, 992, 1136, 1193, 1240, 1364, 1408, 1420, 1562, 1705, 1760, 1984, 2201, 2272, 2386, 2480, 2728, 2840, 3124, 3410, 3520, 3905, 3968, 4402, 4544, 4772, 4960, 5456, 5680, 5965, 6248, 6820, 7040, 7810, 8804, 9088, 9544, 9920, 10912, 11005, 11360, 11930, 12496, 13123, 13640, 15620, 17608, 19088, 19840, 21824, 22010, 22720, 23860, 24211, 24992, 26246, 27280, 31240, 35216, 36983, 38176, 43648, 44020, 45440, 47720, 48422, 49984, 52492, 54560, 62480, 65615, 70432, 73966, 76352, 84703, 88040, 95440, 96844, 99968, 104984, 109120, 121055, 124960, 131230, 140864, 147932, 152704, 169406, 176080, 184915, 190880, 193688, 209968, 218240, 242110, 249920, 262460, 281728, 295864, 338812, 352160, 369830, 381760, 387376, 406813, 419936, 423515, 484220, 499840, 524920, 591728, 677624, 704320, 739660, 763520, 774752, 813626, 839872, 847030, 931733, 968440, 1049840, 1183456, 1355248, 1408640, 1479320, 1549504, 1627252, 1679744, 1694060, 1863466, 1936880, 2034065, 2099680, 2366912, 2625793, 2710496, 2958640, 3099008, 3254504, 3388120, 3726932, 3873760, 4068130, 4199360, 4658665, 4733824, 5251586, 5420992, 5917280, 6509008, 6776240, 7453864, 7747520, 8136260, 8398720, 9317330, 10503172, 10841984, 11834560, 13018016, 13128965, 13552480, 14907728, 15495040, 16272520, 18634660, 21006344, 23669120, 26036032, 26257930, 27104960, 28883723, 29815456, 32545040, 37269320, 42012688, 52072064, 52515860, 54209920, 57767446, 59630912, 65090080, 74538640, 84025376, 105031720, 115534892, 119261824, 130180160, 144418615, 149077280, 168050752, 210063440, 231069784, 260360320, 288837230, 298154560, 336101504, 420126880, 462139568, 577674460, 596309120, 840253760, 924279136, 1155348920, 1680507520, 1848558272, 2310697840, 3697116544, 4621395680, 9242791360, 18485582720]

約数ペア:

[(1, 18485582720), (2, 9242791360), (4, 4621395680), (5, 3697116544), (8, 2310697840), (10, 1848558272), (11, 1680507520), (16, 1155348920), (20, 924279136), (22, 840253760), (31, 596309120), (32, 577674460), (40, 462139568), (44, 420126880), (55, 336101504), (62, 298154560), (64, 288837230), (71, 260360320), (80, 231069784), (88, 210063440), (110, 168050752), (124, 149077280), (128, 144418615), (142, 130180160), (155, 119261824), (160, 115534892), (176, 105031720), (220, 84025376), (248, 74538640), (284, 65090080), (310, 59630912), (320, 57767446), (341, 54209920), (352, 52515860), (355, 52072064), (440, 42012688), (496, 37269320), (568, 32545040), (620, 29815456), (640, 28883723), (682, 27104960), (704, 26257930), (710, 26036032), (781, 23669120), (880, 21006344), (992, 18634660), (1136, 16272520), (1193, 15495040), (1240, 14907728), (1364, 13552480), (1408, 13128965), (1420, 13018016), (1562, 11834560), (1705, 10841984), (1760, 10503172), (1984, 9317330), (2201, 8398720), (2272, 8136260), (2386, 7747520), (2480, 7453864), (2728, 6776240), (2840, 6509008), (3124, 5917280), (3410, 5420992), (3520, 5251586), (3905, 4733824), (3968, 4658665), (4402, 4199360), (4544, 4068130), (4772, 3873760), (4960, 3726932), (5456, 3388120), (5680, 3254504), (5965, 3099008), (6248, 2958640), (6820, 2710496), (7040, 2625793), (7810, 2366912), (8804, 2099680), (9088, 2034065), (9544, 1936880), (9920, 1863466), (10912, 1694060), (11005, 1679744), (11360, 1627252), (11930, 1549504), (12496, 1479320), (13123, 1408640), (13640, 1355248), (15620, 1183456), (17608, 1049840), (19088, 968440), (19840, 931733), (21824, 847030), (22010, 839872), (22720, 813626), (23860, 774752), (24211, 763520), (24992, 739660), (26246, 704320), (27280, 677624), (31240, 591728), (35216, 524920), (36983, 499840), (38176, 484220), (43648, 423515), (44020, 419936), (45440, 406813), (47720, 387376), (48422, 381760), (49984, 369830), (52492, 352160), (54560, 338812), (62480, 295864), (65615, 281728), (70432, 262460), (73966, 249920), (76352, 242110), (84703, 218240), (88040, 209968), (95440, 193688), (96844, 190880), (99968, 184915), (104984, 176080), (109120, 169406), (121055, 152704), (124960, 147932), (131230, 140864)]