1999365120

素因数分解:

$2^{10}\times 3^5\times 5^1\times {\mathrm{1607}}^1$

素因数の和:1647

約数の個数: 264

約数和(自身を含む): 7188801984

約数和(自身を除く): 5189436864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1024, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1607, 1620, 1728, 1920, 1944, 2160, 2304, 2430, 2560, 2592, 2880, 3072, 3214, 3240, 3456, 3840, 3888, 4320, 4608, 4821, 4860, 5120, 5184, 5760, 6428, 6480, 6912, 7680, 7776, 8035, 8640, 9216, 9642, 9720, 10368, 11520, 12856, 12960, 13824, 14463, 15360, 15552, 16070, 17280, 19284, 19440, 20736, 23040, 24105, 25712, 25920, 27648, 28926, 31104, 32140, 34560, 38568, 38880, 41472, 43389, 46080, 48210, 51424, 51840, 57852, 62208, 64280, 69120, 72315, 77136, 77760, 82944, 86778, 96420, 102848, 103680, 115704, 124416, 128560, 130167, 138240, 144630, 154272, 155520, 173556, 192840, 205696, 207360, 216945, 231408, 248832, 257120, 260334, 289260, 308544, 311040, 347112, 385680, 390501, 411392, 414720, 433890, 462816, 514240, 520668, 578520, 617088, 622080, 650835, 694224, 771360, 781002, 822784, 867780, 925632, 1028480, 1041336, 1157040, 1234176, 1244160, 1301670, 1388448, 1542720, 1562004, 1645568, 1735560, 1851264, 1952505, 2056960, 2082672, 2314080, 2468352, 2603340, 2776896, 3085440, 3124008, 3471120, 3702528, 3905010, 4113920, 4165344, 4628160, 4936704, 5206680, 5553792, 6170880, 6248016, 6942240, 7405056, 7810020, 8227840, 8330688, 9256320, 10413360, 11107584, 12341760, 12496032, 13884480, 14810112, 15620040, 16661376, 18512640, 20826720, 22215168, 24683520, 24992064, 27768960, 31240080, 33322752, 37025280, 41653440, 44430336, 49984128, 55537920, 62480160, 66645504, 74050560, 83306880, 99968256, 111075840, 124960320, 133291008, 166613760, 199936512, 222151680, 249920640, 333227520, 399873024, 499841280, 666455040, 999682560, 1999365120]

約数ペア:

[(1, 1999365120), (2, 999682560), (3, 666455040), (4, 499841280), (5, 399873024), (6, 333227520), (8, 249920640), (9, 222151680), (10, 199936512), (12, 166613760), (15, 133291008), (16, 124960320), (18, 111075840), (20, 99968256), (24, 83306880), (27, 74050560), (30, 66645504), (32, 62480160), (36, 55537920), (40, 49984128), (45, 44430336), (48, 41653440), (54, 37025280), (60, 33322752), (64, 31240080), (72, 27768960), (80, 24992064), (81, 24683520), (90, 22215168), (96, 20826720), (108, 18512640), (120, 16661376), (128, 15620040), (135, 14810112), (144, 13884480), (160, 12496032), (162, 12341760), (180, 11107584), (192, 10413360), (216, 9256320), (240, 8330688), (243, 8227840), (256, 7810020), (270, 7405056), (288, 6942240), (320, 6248016), (324, 6170880), (360, 5553792), (384, 5206680), (405, 4936704), (432, 4628160), (480, 4165344), (486, 4113920), (512, 3905010), (540, 3702528), (576, 3471120), (640, 3124008), (648, 3085440), (720, 2776896), (768, 2603340), (810, 2468352), (864, 2314080), (960, 2082672), (972, 2056960), (1024, 1952505), (1080, 1851264), (1152, 1735560), (1215, 1645568), (1280, 1562004), (1296, 1542720), (1440, 1388448), (1536, 1301670), (1607, 1244160), (1620, 1234176), (1728, 1157040), (1920, 1041336), (1944, 1028480), (2160, 925632), (2304, 867780), (2430, 822784), (2560, 781002), (2592, 771360), (2880, 694224), (3072, 650835), (3214, 622080), (3240, 617088), (3456, 578520), (3840, 520668), (3888, 514240), (4320, 462816), (4608, 433890), (4821, 414720), (4860, 411392), (5120, 390501), (5184, 385680), (5760, 347112), (6428, 311040), (6480, 308544), (6912, 289260), (7680, 260334), (7776, 257120), (8035, 248832), (8640, 231408), (9216, 216945), (9642, 207360), (9720, 205696), (10368, 192840), (11520, 173556), (12856, 155520), (12960, 154272), (13824, 144630), (14463, 138240), (15360, 130167), (15552, 128560), (16070, 124416), (17280, 115704), (19284, 103680), (19440, 102848), (20736, 96420), (23040, 86778), (24105, 82944), (25712, 77760), (25920, 77136), (27648, 72315), (28926, 69120), (31104, 64280), (32140, 62208), (34560, 57852), (38568, 51840), (38880, 51424), (41472, 48210), (43389, 46080)]