213654360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 673920000

約数和(自身を除く): 460265640

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, 199, 230, 276, 345, 389, 398, 460, 552, 597, 690, 778, 796, 920, 995, 1167, 1194, 1380, 1556, 1592, 1945, 1990, 2334, 2388, 2760, 2985, 3112, 3890, 3980, 4577, 4668, 4776, 5835, 5970, 7780, 7960, 8947, 9154, 9336, 11670, 11940, 13731, 15560, 17894, 18308, 22885, 23340, 23880, 26841, 27462, 35788, 36616, 44735, 45770, 46680, 53682, 54924, 68655, 71576, 77411, 89470, 91540, 107364, 109848, 134205, 137310, 154822, 178940, 183080, 214728, 232233, 268410, 274620, 309644, 357880, 387055, 464466, 536820, 549240, 619288, 774110, 928932, 1073640, 1161165, 1548220, 1780453, 1857864, 2322330, 3096440, 3560906, 4644660, 5341359, 7121812, 8902265, 9289320, 10682718, 14243624, 17804530, 21365436, 26706795, 35609060, 42730872, 53413590, 71218120, 106827180, 213654360]

約数ペア:

[(1, 213654360), (2, 106827180), (3, 71218120), (4, 53413590), (5, 42730872), (6, 35609060), (8, 26706795), (10, 21365436), (12, 17804530), (15, 14243624), (20, 10682718), (23, 9289320), (24, 8902265), (30, 7121812), (40, 5341359), (46, 4644660), (60, 3560906), (69, 3096440), (92, 2322330), (115, 1857864), (120, 1780453), (138, 1548220), (184, 1161165), (199, 1073640), (230, 928932), (276, 774110), (345, 619288), (389, 549240), (398, 536820), (460, 464466), (552, 387055), (597, 357880), (690, 309644), (778, 274620), (796, 268410), (920, 232233), (995, 214728), (1167, 183080), (1194, 178940), (1380, 154822), (1556, 137310), (1592, 134205), (1945, 109848), (1990, 107364), (2334, 91540), (2388, 89470), (2760, 77411), (2985, 71576), (3112, 68655), (3890, 54924), (3980, 53682), (4577, 46680), (4668, 45770), (4776, 44735), (5835, 36616), (5970, 35788), (7780, 27462), (7960, 26841), (8947, 23880), (9154, 23340), (9336, 22885), (11670, 18308), (11940, 17894), (13731, 15560)]