1620015360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:525

約数の個数: 216

約数和(自身を含む): 5358386880

約数和(自身を除く): 3738371520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 439, 465, 480, 496, 620, 640, 744, 768, 878, 930, 960, 961, 992, 1240, 1280, 1317, 1488, 1756, 1860, 1920, 1922, 1984, 2195, 2480, 2634, 2883, 2976, 3512, 3720, 3840, 3844, 3968, 4390, 4805, 4960, 5268, 5766, 5952, 6585, 7024, 7440, 7688, 7936, 8780, 9610, 9920, 10536, 11532, 11904, 13170, 13609, 14048, 14415, 14880, 15376, 17560, 19220, 19840, 21072, 23064, 23808, 26340, 27218, 28096, 28830, 29760, 30752, 35120, 38440, 39680, 40827, 42144, 46128, 52680, 54436, 56192, 57660, 59520, 61504, 68045, 70240, 76880, 81654, 84288, 92256, 105360, 108872, 112384, 115320, 119040, 123008, 136090, 140480, 153760, 163308, 168576, 184512, 204135, 210720, 217744, 230640, 246016, 272180, 280960, 307520, 326616, 337152, 369024, 408270, 421440, 421879, 435488, 461280, 544360, 561920, 615040, 653232, 738048, 816540, 842880, 843758, 870976, 922560, 1088720, 1230080, 1265637, 1306464, 1633080, 1685760, 1687516, 1741952, 1845120, 2109395, 2177440, 2531274, 2612928, 3266160, 3375032, 3483904, 3690240, 4218790, 4354880, 5062548, 5225856, 6328185, 6532320, 6750064, 8437580, 8709760, 10125096, 10451712, 12656370, 13064640, 13500128, 16875160, 17419520, 20250192, 25312740, 26129280, 27000256, 33750320, 40500384, 50625480, 52258560, 54000512, 67500640, 81000768, 101250960, 108001024, 135001280, 162001536, 202501920, 270002560, 324003072, 405003840, 540005120, 810007680, 1620015360]

約数ペア:

[(1, 1620015360), (2, 810007680), (3, 540005120), (4, 405003840), (5, 324003072), (6, 270002560), (8, 202501920), (10, 162001536), (12, 135001280), (15, 108001024), (16, 101250960), (20, 81000768), (24, 67500640), (30, 54000512), (31, 52258560), (32, 50625480), (40, 40500384), (48, 33750320), (60, 27000256), (62, 26129280), (64, 25312740), (80, 20250192), (93, 17419520), (96, 16875160), (120, 13500128), (124, 13064640), (128, 12656370), (155, 10451712), (160, 10125096), (186, 8709760), (192, 8437580), (240, 6750064), (248, 6532320), (256, 6328185), (310, 5225856), (320, 5062548), (372, 4354880), (384, 4218790), (439, 3690240), (465, 3483904), (480, 3375032), (496, 3266160), (620, 2612928), (640, 2531274), (744, 2177440), (768, 2109395), (878, 1845120), (930, 1741952), (960, 1687516), (961, 1685760), (992, 1633080), (1240, 1306464), (1280, 1265637), (1317, 1230080), (1488, 1088720), (1756, 922560), (1860, 870976), (1920, 843758), (1922, 842880), (1984, 816540), (2195, 738048), (2480, 653232), (2634, 615040), (2883, 561920), (2976, 544360), (3512, 461280), (3720, 435488), (3840, 421879), (3844, 421440), (3968, 408270), (4390, 369024), (4805, 337152), (4960, 326616), (5268, 307520), (5766, 280960), (5952, 272180), (6585, 246016), (7024, 230640), (7440, 217744), (7688, 210720), (7936, 204135), (8780, 184512), (9610, 168576), (9920, 163308), (10536, 153760), (11532, 140480), (11904, 136090), (13170, 123008), (13609, 119040), (14048, 115320), (14415, 112384), (14880, 108872), (15376, 105360), (17560, 92256), (19220, 84288), (19840, 81654), (21072, 76880), (23064, 70240), (23808, 68045), (26340, 61504), (27218, 59520), (28096, 57660), (28830, 56192), (29760, 54436), (30752, 52680), (35120, 46128), (38440, 42144), (39680, 40827)]