1989030960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20771}}^1$

素因数の和:20816

約数の個数: 240

約数和(自身を含む): 8036271360

約数和(自身を除く): 6047240400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6840, 7980, 9576, 10640, 11970, 13680, 15960, 19152, 20771, 23940, 31920, 41542, 47880, 62313, 83084, 95760, 103855, 124626, 145397, 166168, 186939, 207710, 249252, 290794, 311565, 332336, 373878, 394649, 415420, 436191, 498504, 581588, 623130, 726985, 747756, 789298, 830840, 872382, 934695, 997008, 1163176, 1183947, 1246260, 1308573, 1453970, 1495512, 1578596, 1661680, 1744764, 1869390, 1973245, 2180955, 2326352, 2367894, 2492520, 2617146, 2762543, 2907940, 2991024, 3157192, 3489528, 3551841, 3738780, 3946490, 4361910, 4735788, 4985040, 5234292, 5525086, 5815880, 5919735, 6314384, 6542865, 6979056, 7103682, 7477560, 7892980, 8287629, 8723820, 9471576, 10468584, 11050172, 11631760, 11839470, 13085730, 13812715, 14207364, 14955120, 15785960, 16575258, 17447640, 17759205, 18943152, 20937168, 22100344, 23678940, 24862887, 26171460, 27625430, 28414728, 31571920, 33150516, 34895280, 35518410, 41438145, 44200688, 47357880, 49725774, 52342920, 55250860, 56829456, 66301032, 71036820, 82876290, 94715760, 99451548, 104685840, 110501720, 124314435, 132602064, 142073640, 165752580, 198903096, 221003440, 248628870, 284147280, 331505160, 397806192, 497257740, 663010320, 994515480, 1989030960]

約数ペア:

[(1, 1989030960), (2, 994515480), (3, 663010320), (4, 497257740), (5, 397806192), (6, 331505160), (7, 284147280), (8, 248628870), (9, 221003440), (10, 198903096), (12, 165752580), (14, 142073640), (15, 132602064), (16, 124314435), (18, 110501720), (19, 104685840), (20, 99451548), (21, 94715760), (24, 82876290), (28, 71036820), (30, 66301032), (35, 56829456), (36, 55250860), (38, 52342920), (40, 49725774), (42, 47357880), (45, 44200688), (48, 41438145), (56, 35518410), (57, 34895280), (60, 33150516), (63, 31571920), (70, 28414728), (72, 27625430), (76, 26171460), (80, 24862887), (84, 23678940), (90, 22100344), (95, 20937168), (105, 18943152), (112, 17759205), (114, 17447640), (120, 16575258), (126, 15785960), (133, 14955120), (140, 14207364), (144, 13812715), (152, 13085730), (168, 11839470), (171, 11631760), (180, 11050172), (190, 10468584), (210, 9471576), (228, 8723820), (240, 8287629), (252, 7892980), (266, 7477560), (280, 7103682), (285, 6979056), (304, 6542865), (315, 6314384), (336, 5919735), (342, 5815880), (360, 5525086), (380, 5234292), (399, 4985040), (420, 4735788), (456, 4361910), (504, 3946490), (532, 3738780), (560, 3551841), (570, 3489528), (630, 3157192), (665, 2991024), (684, 2907940), (720, 2762543), (760, 2617146), (798, 2492520), (840, 2367894), (855, 2326352), (912, 2180955), (1008, 1973245), (1064, 1869390), (1140, 1744764), (1197, 1661680), (1260, 1578596), (1330, 1495512), (1368, 1453970), (1520, 1308573), (1596, 1246260), (1680, 1183947), (1710, 1163176), (1995, 997008), (2128, 934695), (2280, 872382), (2394, 830840), (2520, 789298), (2660, 747756), (2736, 726985), (3192, 623130), (3420, 581588), (3990, 498504), (4560, 436191), (4788, 415420), (5040, 394649), (5320, 373878), (5985, 332336), (6384, 311565), (6840, 290794), (7980, 249252), (9576, 207710), (10640, 186939), (11970, 166168), (13680, 145397), (15960, 124626), (19152, 103855), (20771, 95760), (23940, 83084), (31920, 62313), (41542, 47880)]