18278236160

素因数分解:

$2^{14}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 46712635200

約数和(自身を除く): 28434399040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 109, 115, 128, 160, 178, 184, 218, 230, 256, 320, 356, 368, 436, 445, 460, 512, 545, 640, 712, 736, 872, 890, 920, 1024, 1090, 1280, 1424, 1472, 1744, 1780, 1840, 2047, 2048, 2180, 2507, 2560, 2848, 2944, 3488, 3560, 3680, 4094, 4096, 4360, 5014, 5120, 5696, 5888, 6976, 7120, 7360, 8188, 8192, 8720, 9701, 10028, 10235, 10240, 11392, 11776, 12535, 13952, 14240, 14720, 16376, 16384, 17440, 19402, 20056, 20470, 20480, 22784, 23552, 25070, 27904, 28480, 29440, 32752, 34880, 38804, 40112, 40940, 40960, 45568, 47104, 48505, 50140, 55808, 56960, 58880, 65504, 69760, 77608, 80224, 81880, 81920, 91136, 94208, 97010, 100280, 111616, 113920, 117760, 131008, 139520, 155216, 160448, 163760, 182272, 188416, 194020, 200560, 223123, 223232, 227840, 235520, 262016, 279040, 310432, 320896, 327520, 364544, 376832, 388040, 401120, 446246, 446464, 455680, 471040, 524032, 558080, 620864, 641792, 655040, 729088, 776080, 802240, 892492, 892928, 911360, 942080, 1048064, 1115615, 1116160, 1241728, 1283584, 1310080, 1458176, 1552160, 1604480, 1784984, 1785856, 1822720, 1884160, 2096128, 2231230, 2232320, 2483456, 2567168, 2620160, 3104320, 3208960, 3569968, 3645440, 4192256, 4462460, 4464640, 4966912, 5134336, 5240320, 6208640, 6417920, 7139936, 7290880, 8384512, 8924920, 8929280, 9933824, 10268672, 10480640, 12417280, 12835840, 14279872, 16769024, 17849840, 19867648, 20537344, 20961280, 24834560, 25671680, 28559744, 33538048, 35699680, 39735296, 41074688, 41922560, 49669120, 51343360, 57119488, 71399360, 79470592, 83845120, 99338240, 102686720, 114238976, 142798720, 158941184, 167690240, 198676480, 205373440, 228477952, 285597440, 397352960, 456955904, 571194880, 794705920, 913911808, 1142389760, 1827823616, 2284779520, 3655647232, 4569559040, 9139118080, 18278236160]

約数ペア:

[(1, 18278236160), (2, 9139118080), (4, 4569559040), (5, 3655647232), (8, 2284779520), (10, 1827823616), (16, 1142389760), (20, 913911808), (23, 794705920), (32, 571194880), (40, 456955904), (46, 397352960), (64, 285597440), (80, 228477952), (89, 205373440), (92, 198676480), (109, 167690240), (115, 158941184), (128, 142798720), (160, 114238976), (178, 102686720), (184, 99338240), (218, 83845120), (230, 79470592), (256, 71399360), (320, 57119488), (356, 51343360), (368, 49669120), (436, 41922560), (445, 41074688), (460, 39735296), (512, 35699680), (545, 33538048), (640, 28559744), (712, 25671680), (736, 24834560), (872, 20961280), (890, 20537344), (920, 19867648), (1024, 17849840), (1090, 16769024), (1280, 14279872), (1424, 12835840), (1472, 12417280), (1744, 10480640), (1780, 10268672), (1840, 9933824), (2047, 8929280), (2048, 8924920), (2180, 8384512), (2507, 7290880), (2560, 7139936), (2848, 6417920), (2944, 6208640), (3488, 5240320), (3560, 5134336), (3680, 4966912), (4094, 4464640), (4096, 4462460), (4360, 4192256), (5014, 3645440), (5120, 3569968), (5696, 3208960), (5888, 3104320), (6976, 2620160), (7120, 2567168), (7360, 2483456), (8188, 2232320), (8192, 2231230), (8720, 2096128), (9701, 1884160), (10028, 1822720), (10235, 1785856), (10240, 1784984), (11392, 1604480), (11776, 1552160), (12535, 1458176), (13952, 1310080), (14240, 1283584), (14720, 1241728), (16376, 1116160), (16384, 1115615), (17440, 1048064), (19402, 942080), (20056, 911360), (20470, 892928), (20480, 892492), (22784, 802240), (23552, 776080), (25070, 729088), (27904, 655040), (28480, 641792), (29440, 620864), (32752, 558080), (34880, 524032), (38804, 471040), (40112, 455680), (40940, 446464), (40960, 446246), (45568, 401120), (47104, 388040), (48505, 376832), (50140, 364544), (55808, 327520), (56960, 320896), (58880, 310432), (65504, 279040), (69760, 262016), (77608, 235520), (80224, 227840), (81880, 223232), (81920, 223123), (91136, 200560), (94208, 194020), (97010, 188416), (100280, 182272), (111616, 163760), (113920, 160448), (117760, 155216), (131008, 139520)]