1413505720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 3541190400

約数和(自身を除く): 2127684680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 137, 179, 220, 262, 274, 358, 440, 524, 548, 655, 685, 716, 895, 1048, 1096, 1310, 1370, 1432, 1441, 1507, 1790, 1969, 2620, 2740, 2882, 3014, 3580, 3938, 5240, 5480, 5764, 6028, 7160, 7205, 7535, 7876, 9845, 11528, 12056, 14410, 15070, 15752, 17947, 19690, 23449, 24523, 28820, 30140, 35894, 39380, 46898, 49046, 57640, 60280, 71788, 78760, 89735, 93796, 98092, 117245, 122615, 143576, 179470, 187592, 196184, 197417, 234490, 245230, 257939, 269753, 358940, 394834, 468980, 490460, 515878, 539506, 717880, 789668, 937960, 980920, 987085, 1031756, 1079012, 1289695, 1348765, 1579336, 1974170, 2063512, 2158024, 2579390, 2697530, 3212513, 3948340, 5158780, 5395060, 6425026, 7896680, 10317560, 10790120, 12850052, 16062565, 25700104, 32125130, 35337643, 64250260, 70675286, 128500520, 141350572, 176688215, 282701144, 353376430, 706752860, 1413505720]

約数ペア:

[(1, 1413505720), (2, 706752860), (4, 353376430), (5, 282701144), (8, 176688215), (10, 141350572), (11, 128500520), (20, 70675286), (22, 64250260), (40, 35337643), (44, 32125130), (55, 25700104), (88, 16062565), (110, 12850052), (131, 10790120), (137, 10317560), (179, 7896680), (220, 6425026), (262, 5395060), (274, 5158780), (358, 3948340), (440, 3212513), (524, 2697530), (548, 2579390), (655, 2158024), (685, 2063512), (716, 1974170), (895, 1579336), (1048, 1348765), (1096, 1289695), (1310, 1079012), (1370, 1031756), (1432, 987085), (1441, 980920), (1507, 937960), (1790, 789668), (1969, 717880), (2620, 539506), (2740, 515878), (2882, 490460), (3014, 468980), (3580, 394834), (3938, 358940), (5240, 269753), (5480, 257939), (5764, 245230), (6028, 234490), (7160, 197417), (7205, 196184), (7535, 187592), (7876, 179470), (9845, 143576), (11528, 122615), (12056, 117245), (14410, 98092), (15070, 93796), (15752, 89735), (17947, 78760), (19690, 71788), (23449, 60280), (24523, 57640), (28820, 49046), (30140, 46898), (35894, 39380)]