218928640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:692

約数の個数: 160

約数和(自身を含む): 632459520

約数和(自身を除く): 413530880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 512, 532, 560, 608, 640, 643, 665, 760, 896, 1064, 1120, 1216, 1280, 1286, 1330, 1520, 1792, 2128, 2240, 2432, 2560, 2572, 2660, 3040, 3215, 3584, 4256, 4480, 4501, 4864, 5144, 5320, 6080, 6430, 8512, 8960, 9002, 9728, 10288, 10640, 12160, 12217, 12860, 17024, 17920, 18004, 20576, 21280, 22505, 24320, 24434, 25720, 34048, 36008, 41152, 42560, 45010, 48640, 48868, 51440, 61085, 68096, 72016, 82304, 85120, 85519, 90020, 97736, 102880, 122170, 144032, 164608, 170240, 171038, 180040, 195472, 205760, 244340, 288064, 329216, 340480, 342076, 360080, 390944, 411520, 427595, 488680, 576128, 684152, 720160, 781888, 823040, 855190, 977360, 1152256, 1368304, 1440320, 1563776, 1646080, 1710380, 1954720, 2304512, 2736608, 2880640, 3127552, 3420760, 3909440, 5473216, 5761280, 6255104, 6841520, 7818880, 10946432, 11522560, 13683040, 15637760, 21892864, 27366080, 31275520, 43785728, 54732160, 109464320, 218928640]

約数ペア:

[(1, 218928640), (2, 109464320), (4, 54732160), (5, 43785728), (7, 31275520), (8, 27366080), (10, 21892864), (14, 15637760), (16, 13683040), (19, 11522560), (20, 10946432), (28, 7818880), (32, 6841520), (35, 6255104), (38, 5761280), (40, 5473216), (56, 3909440), (64, 3420760), (70, 3127552), (76, 2880640), (80, 2736608), (95, 2304512), (112, 1954720), (128, 1710380), (133, 1646080), (140, 1563776), (152, 1440320), (160, 1368304), (190, 1152256), (224, 977360), (256, 855190), (266, 823040), (280, 781888), (304, 720160), (320, 684152), (380, 576128), (448, 488680), (512, 427595), (532, 411520), (560, 390944), (608, 360080), (640, 342076), (643, 340480), (665, 329216), (760, 288064), (896, 244340), (1064, 205760), (1120, 195472), (1216, 180040), (1280, 171038), (1286, 170240), (1330, 164608), (1520, 144032), (1792, 122170), (2128, 102880), (2240, 97736), (2432, 90020), (2560, 85519), (2572, 85120), (2660, 82304), (3040, 72016), (3215, 68096), (3584, 61085), (4256, 51440), (4480, 48868), (4501, 48640), (4864, 45010), (5144, 42560), (5320, 41152), (6080, 36008), (6430, 34048), (8512, 25720), (8960, 24434), (9002, 24320), (9728, 22505), (10288, 21280), (10640, 20576), (12160, 18004), (12217, 17920), (12860, 17024)]