20689110180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{3821}}^1$

素因数の和:4147

約数の個数: 192

約数和(自身を含む): 66367042560

約数和(自身を除く): 45677932380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 271, 333, 370, 444, 540, 542, 555, 666, 740, 813, 999, 1084, 1110, 1332, 1355, 1626, 1665, 1998, 2220, 2439, 2710, 3252, 3330, 3821, 3996, 4065, 4878, 4995, 5420, 6660, 7317, 7642, 8130, 9756, 9990, 10027, 11463, 12195, 14634, 15284, 16260, 19105, 19980, 20054, 22926, 24390, 29268, 30081, 34389, 36585, 38210, 40108, 45852, 48780, 50135, 57315, 60162, 68778, 73170, 76420, 90243, 100270, 103167, 114630, 120324, 137556, 141377, 146340, 150405, 171945, 180486, 200540, 206334, 229260, 270729, 282754, 300810, 343890, 360972, 412668, 424131, 451215, 515835, 541458, 565508, 601620, 687780, 706885, 848262, 902430, 1031670, 1035491, 1082916, 1272393, 1353645, 1413770, 1696524, 1804860, 2063340, 2070982, 2120655, 2544786, 2707290, 2827540, 3106473, 3817179, 4141964, 4241310, 5089572, 5177455, 5414580, 6212946, 6361965, 7634358, 8482620, 9319419, 10354910, 12425892, 12723930, 15268716, 15532365, 18638838, 19085895, 20709820, 25447860, 27958257, 31064730, 37277676, 38171790, 38313167, 46597095, 55916514, 62129460, 76343580, 76626334, 93194190, 111833028, 114939501, 139791285, 153252668, 186388380, 191565835, 229879002, 279582570, 344818503, 383131670, 459758004, 559165140, 574697505, 689637006, 766263340, 1034455509, 1149395010, 1379274012, 1724092515, 2068911018, 2298790020, 3448185030, 4137822036, 5172277545, 6896370060, 10344555090, 20689110180]

約数ペア:

[(1, 20689110180), (2, 10344555090), (3, 6896370060), (4, 5172277545), (5, 4137822036), (6, 3448185030), (9, 2298790020), (10, 2068911018), (12, 1724092515), (15, 1379274012), (18, 1149395010), (20, 1034455509), (27, 766263340), (30, 689637006), (36, 574697505), (37, 559165140), (45, 459758004), (54, 383131670), (60, 344818503), (74, 279582570), (90, 229879002), (108, 191565835), (111, 186388380), (135, 153252668), (148, 139791285), (180, 114939501), (185, 111833028), (222, 93194190), (270, 76626334), (271, 76343580), (333, 62129460), (370, 55916514), (444, 46597095), (540, 38313167), (542, 38171790), (555, 37277676), (666, 31064730), (740, 27958257), (813, 25447860), (999, 20709820), (1084, 19085895), (1110, 18638838), (1332, 15532365), (1355, 15268716), (1626, 12723930), (1665, 12425892), (1998, 10354910), (2220, 9319419), (2439, 8482620), (2710, 7634358), (3252, 6361965), (3330, 6212946), (3821, 5414580), (3996, 5177455), (4065, 5089572), (4878, 4241310), (4995, 4141964), (5420, 3817179), (6660, 3106473), (7317, 2827540), (7642, 2707290), (8130, 2544786), (9756, 2120655), (9990, 2070982), (10027, 2063340), (11463, 1804860), (12195, 1696524), (14634, 1413770), (15284, 1353645), (16260, 1272393), (19105, 1082916), (19980, 1035491), (20054, 1031670), (22926, 902430), (24390, 848262), (29268, 706885), (30081, 687780), (34389, 601620), (36585, 565508), (38210, 541458), (40108, 515835), (45852, 451215), (48780, 424131), (50135, 412668), (57315, 360972), (60162, 343890), (68778, 300810), (73170, 282754), (76420, 270729), (90243, 229260), (100270, 206334), (103167, 200540), (114630, 180486), (120324, 171945), (137556, 150405), (141377, 146340)]