90517560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 312491520

約数和(自身を除く): 221973960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 547, 591, 788, 840, 985, 1094, 1182, 1379, 1576, 1641, 1970, 2188, 2364, 2735, 2758, 2955, 3282, 3829, 3940, 4137, 4376, 4728, 5470, 5516, 5910, 6564, 6895, 7658, 7880, 8205, 8274, 10940, 11032, 11487, 11820, 13128, 13790, 15316, 16410, 16548, 19145, 20685, 21880, 22974, 23640, 27580, 30632, 32820, 33096, 38290, 41370, 45948, 55160, 57435, 65640, 76580, 82740, 91896, 107759, 114870, 153160, 165480, 215518, 229740, 323277, 431036, 459480, 538795, 646554, 754313, 862072, 1077590, 1293108, 1508626, 1616385, 2155180, 2262939, 2586216, 3017252, 3232770, 3771565, 4310360, 4525878, 6034504, 6465540, 7543130, 9051756, 11314695, 12931080, 15086260, 18103512, 22629390, 30172520, 45258780, 90517560]

約数ペア:

[(1, 90517560), (2, 45258780), (3, 30172520), (4, 22629390), (5, 18103512), (6, 15086260), (7, 12931080), (8, 11314695), (10, 9051756), (12, 7543130), (14, 6465540), (15, 6034504), (20, 4525878), (21, 4310360), (24, 3771565), (28, 3232770), (30, 3017252), (35, 2586216), (40, 2262939), (42, 2155180), (56, 1616385), (60, 1508626), (70, 1293108), (84, 1077590), (105, 862072), (120, 754313), (140, 646554), (168, 538795), (197, 459480), (210, 431036), (280, 323277), (394, 229740), (420, 215518), (547, 165480), (591, 153160), (788, 114870), (840, 107759), (985, 91896), (1094, 82740), (1182, 76580), (1379, 65640), (1576, 57435), (1641, 55160), (1970, 45948), (2188, 41370), (2364, 38290), (2735, 33096), (2758, 32820), (2955, 30632), (3282, 27580), (3829, 23640), (3940, 22974), (4137, 21880), (4376, 20685), (4728, 19145), (5470, 16548), (5516, 16410), (5910, 15316), (6564, 13790), (6895, 13128), (7658, 11820), (7880, 11487), (8205, 11032), (8274, 10940)]