165495540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 543763584

約数和(自身を除く): 378268044

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 181, 196, 210, 245, 294, 311, 362, 420, 490, 543, 588, 622, 724, 735, 905, 933, 980, 1086, 1244, 1267, 1470, 1555, 1810, 1866, 2172, 2177, 2534, 2715, 2940, 3110, 3620, 3732, 3801, 4354, 4665, 5068, 5430, 6220, 6335, 6531, 7602, 8708, 8869, 9330, 10860, 10885, 12670, 13062, 15204, 15239, 17738, 18660, 19005, 21770, 25340, 26124, 26607, 30478, 32655, 35476, 38010, 43540, 44345, 45717, 53214, 56291, 60956, 65310, 76020, 76195, 88690, 91434, 106428, 112582, 130620, 133035, 152390, 168873, 177380, 182868, 225164, 228585, 266070, 281455, 304780, 337746, 394037, 457170, 532140, 562910, 675492, 788074, 844365, 914340, 1125820, 1182111, 1576148, 1688730, 1970185, 2364222, 2758259, 3377460, 3940370, 4728444, 5516518, 5910555, 7880740, 8274777, 11033036, 11821110, 13791295, 16549554, 23642220, 27582590, 33099108, 41373885, 55165180, 82747770, 165495540]

約数ペア:

[(1, 165495540), (2, 82747770), (3, 55165180), (4, 41373885), (5, 33099108), (6, 27582590), (7, 23642220), (10, 16549554), (12, 13791295), (14, 11821110), (15, 11033036), (20, 8274777), (21, 7880740), (28, 5910555), (30, 5516518), (35, 4728444), (42, 3940370), (49, 3377460), (60, 2758259), (70, 2364222), (84, 1970185), (98, 1688730), (105, 1576148), (140, 1182111), (147, 1125820), (181, 914340), (196, 844365), (210, 788074), (245, 675492), (294, 562910), (311, 532140), (362, 457170), (420, 394037), (490, 337746), (543, 304780), (588, 281455), (622, 266070), (724, 228585), (735, 225164), (905, 182868), (933, 177380), (980, 168873), (1086, 152390), (1244, 133035), (1267, 130620), (1470, 112582), (1555, 106428), (1810, 91434), (1866, 88690), (2172, 76195), (2177, 76020), (2534, 65310), (2715, 60956), (2940, 56291), (3110, 53214), (3620, 45717), (3732, 44345), (3801, 43540), (4354, 38010), (4665, 35476), (5068, 32655), (5430, 30478), (6220, 26607), (6335, 26124), (6531, 25340), (7602, 21770), (8708, 19005), (8869, 18660), (9330, 17738), (10860, 15239), (10885, 15204), (12670, 13062)]