80528520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 255052800

約数和(自身を除く): 174524280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 163, 179, 184, 230, 276, 326, 345, 358, 460, 489, 537, 552, 652, 690, 716, 815, 895, 920, 978, 1074, 1304, 1380, 1432, 1630, 1790, 1956, 2148, 2445, 2685, 2760, 3260, 3580, 3749, 3912, 4117, 4296, 4890, 5370, 6520, 7160, 7498, 8234, 9780, 10740, 11247, 12351, 14996, 16468, 18745, 19560, 20585, 21480, 22494, 24702, 29177, 29992, 32936, 37490, 41170, 44988, 49404, 56235, 58354, 61755, 74980, 82340, 87531, 89976, 98808, 112470, 116708, 123510, 145885, 149960, 164680, 175062, 224940, 233416, 247020, 291770, 350124, 437655, 449880, 494040, 583540, 671071, 700248, 875310, 1167080, 1342142, 1750620, 2013213, 2684284, 3355355, 3501240, 4026426, 5368568, 6710710, 8052852, 10066065, 13421420, 16105704, 20132130, 26842840, 40264260, 80528520]

約数ペア:

[(1, 80528520), (2, 40264260), (3, 26842840), (4, 20132130), (5, 16105704), (6, 13421420), (8, 10066065), (10, 8052852), (12, 6710710), (15, 5368568), (20, 4026426), (23, 3501240), (24, 3355355), (30, 2684284), (40, 2013213), (46, 1750620), (60, 1342142), (69, 1167080), (92, 875310), (115, 700248), (120, 671071), (138, 583540), (163, 494040), (179, 449880), (184, 437655), (230, 350124), (276, 291770), (326, 247020), (345, 233416), (358, 224940), (460, 175062), (489, 164680), (537, 149960), (552, 145885), (652, 123510), (690, 116708), (716, 112470), (815, 98808), (895, 89976), (920, 87531), (978, 82340), (1074, 74980), (1304, 61755), (1380, 58354), (1432, 56235), (1630, 49404), (1790, 44988), (1956, 41170), (2148, 37490), (2445, 32936), (2685, 29992), (2760, 29177), (3260, 24702), (3580, 22494), (3749, 21480), (3912, 20585), (4117, 19560), (4296, 18745), (4890, 16468), (5370, 14996), (6520, 12351), (7160, 11247), (7498, 10740), (8234, 9780)]