1644455520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{569}}^1$

素因数の和:819

約数の個数: 240

約数和(自身を含む): 5839827840

約数和(自身を除く): 4195372320

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 223, 240, 270, 288, 324, 360, 405, 432, 446, 480, 540, 569, 648, 669, 720, 810, 864, 892, 1080, 1115, 1138, 1296, 1338, 1440, 1620, 1707, 1784, 2007, 2160, 2230, 2276, 2592, 2676, 2845, 3240, 3345, 3414, 3568, 4014, 4320, 4460, 4552, 5121, 5352, 5690, 6021, 6480, 6690, 6828, 7136, 8028, 8535, 8920, 9104, 10035, 10242, 10704, 11380, 12042, 12960, 13380, 13656, 15363, 16056, 17070, 17840, 18063, 18208, 20070, 20484, 21408, 22760, 24084, 25605, 26760, 27312, 30105, 30726, 32112, 34140, 35680, 36126, 40140, 40968, 45520, 46089, 48168, 51210, 53520, 54624, 60210, 61452, 64224, 68280, 72252, 76815, 80280, 81936, 90315, 91040, 92178, 96336, 102420, 107040, 120420, 122904, 126887, 136560, 144504, 153630, 160560, 163872, 180630, 184356, 192672, 204840, 230445, 240840, 245808, 253774, 273120, 289008, 307260, 321120, 361260, 368712, 380661, 409680, 460890, 481680, 491616, 507548, 578016, 614520, 634435, 722520, 737424, 761322, 819360, 921780, 963360, 1015096, 1141983, 1229040, 1268870, 1445040, 1474848, 1522644, 1843560, 1903305, 2030192, 2283966, 2458080, 2537740, 2890080, 3045288, 3425949, 3687120, 3806610, 4060384, 4567932, 5075480, 5709915, 6090576, 6851898, 7374240, 7613220, 9135864, 10150960, 10277847, 11419830, 12181152, 13703796, 15226440, 17129745, 18271728, 20301920, 20555694, 22839660, 27407592, 30452880, 34259490, 36543456, 41111388, 45679320, 51389235, 54815184, 60905760, 68518980, 82222776, 91358640, 102778470, 109630368, 137037960, 164445552, 182717280, 205556940, 274075920, 328891104, 411113880, 548151840, 822227760, 1644455520]

約数ペア:

[(1, 1644455520), (2, 822227760), (3, 548151840), (4, 411113880), (5, 328891104), (6, 274075920), (8, 205556940), (9, 182717280), (10, 164445552), (12, 137037960), (15, 109630368), (16, 102778470), (18, 91358640), (20, 82222776), (24, 68518980), (27, 60905760), (30, 54815184), (32, 51389235), (36, 45679320), (40, 41111388), (45, 36543456), (48, 34259490), (54, 30452880), (60, 27407592), (72, 22839660), (80, 20555694), (81, 20301920), (90, 18271728), (96, 17129745), (108, 15226440), (120, 13703796), (135, 12181152), (144, 11419830), (160, 10277847), (162, 10150960), (180, 9135864), (216, 7613220), (223, 7374240), (240, 6851898), (270, 6090576), (288, 5709915), (324, 5075480), (360, 4567932), (405, 4060384), (432, 3806610), (446, 3687120), (480, 3425949), (540, 3045288), (569, 2890080), (648, 2537740), (669, 2458080), (720, 2283966), (810, 2030192), (864, 1903305), (892, 1843560), (1080, 1522644), (1115, 1474848), (1138, 1445040), (1296, 1268870), (1338, 1229040), (1440, 1141983), (1620, 1015096), (1707, 963360), (1784, 921780), (2007, 819360), (2160, 761322), (2230, 737424), (2276, 722520), (2592, 634435), (2676, 614520), (2845, 578016), (3240, 507548), (3345, 491616), (3414, 481680), (3568, 460890), (4014, 409680), (4320, 380661), (4460, 368712), (4552, 361260), (5121, 321120), (5352, 307260), (5690, 289008), (6021, 273120), (6480, 253774), (6690, 245808), (6828, 240840), (7136, 230445), (8028, 204840), (8535, 192672), (8920, 184356), (9104, 180630), (10035, 163872), (10242, 160560), (10704, 153630), (11380, 144504), (12042, 136560), (12960, 126887), (13380, 122904), (13656, 120420), (15363, 107040), (16056, 102420), (17070, 96336), (17840, 92178), (18063, 91040), (18208, 90315), (20070, 81936), (20484, 80280), (21408, 76815), (22760, 72252), (24084, 68280), (25605, 64224), (26760, 61452), (27312, 60210), (30105, 54624), (30726, 53520), (32112, 51210), (34140, 48168), (35680, 46089), (36126, 45520), (40140, 40968)]