211507080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 667180800

約数和(自身を除く): 455673720

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, 184, 197, 230, 276, 345, 389, 394, 460, 552, 591, 690, 778, 788, 920, 985, 1167, 1182, 1380, 1556, 1576, 1945, 1970, 2334, 2364, 2760, 2955, 3112, 3890, 3940, 4531, 4668, 4728, 5835, 5910, 7780, 7880, 8947, 9062, 9336, 11670, 11820, 13593, 15560, 17894, 18124, 22655, 23340, 23640, 26841, 27186, 35788, 36248, 44735, 45310, 46680, 53682, 54372, 67965, 71576, 76633, 89470, 90620, 107364, 108744, 134205, 135930, 153266, 178940, 181240, 214728, 229899, 268410, 271860, 306532, 357880, 383165, 459798, 536820, 543720, 613064, 766330, 919596, 1073640, 1149495, 1532660, 1762559, 1839192, 2298990, 3065320, 3525118, 4597980, 5287677, 7050236, 8812795, 9195960, 10575354, 14100472, 17625590, 21150708, 26438385, 35251180, 42301416, 52876770, 70502360, 105753540, 211507080]

約数ペア:

[(1, 211507080), (2, 105753540), (3, 70502360), (4, 52876770), (5, 42301416), (6, 35251180), (8, 26438385), (10, 21150708), (12, 17625590), (15, 14100472), (20, 10575354), (23, 9195960), (24, 8812795), (30, 7050236), (40, 5287677), (46, 4597980), (60, 3525118), (69, 3065320), (92, 2298990), (115, 1839192), (120, 1762559), (138, 1532660), (184, 1149495), (197, 1073640), (230, 919596), (276, 766330), (345, 613064), (389, 543720), (394, 536820), (460, 459798), (552, 383165), (591, 357880), (690, 306532), (778, 271860), (788, 268410), (920, 229899), (985, 214728), (1167, 181240), (1182, 178940), (1380, 153266), (1556, 135930), (1576, 134205), (1945, 108744), (1970, 107364), (2334, 90620), (2364, 89470), (2760, 76633), (2955, 71576), (3112, 67965), (3890, 54372), (3940, 53682), (4531, 46680), (4668, 45310), (4728, 44735), (5835, 36248), (5910, 35788), (7780, 27186), (7880, 26841), (8947, 23640), (9062, 23340), (9336, 22655), (11670, 18124), (11820, 17894), (13593, 15560)]