51661680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 240

約数和(自身を含む): 195416064

約数和(自身を除く): 143754384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 98, 105, 112, 115, 120, 138, 140, 147, 161, 168, 184, 191, 196, 210, 230, 240, 245, 276, 280, 294, 322, 336, 345, 368, 382, 392, 420, 460, 483, 490, 552, 560, 573, 588, 644, 690, 735, 764, 784, 805, 840, 920, 955, 966, 980, 1104, 1127, 1146, 1176, 1288, 1337, 1380, 1470, 1528, 1610, 1680, 1840, 1910, 1932, 1960, 2254, 2292, 2352, 2415, 2576, 2674, 2760, 2865, 2940, 3056, 3220, 3381, 3820, 3864, 3920, 4011, 4393, 4508, 4584, 4830, 5348, 5520, 5635, 5730, 5880, 6440, 6685, 6762, 7640, 7728, 8022, 8786, 9016, 9168, 9359, 9660, 10696, 11270, 11460, 11760, 12880, 13179, 13370, 13524, 15280, 16044, 16905, 17572, 18032, 18718, 19320, 20055, 21392, 21965, 22540, 22920, 26358, 26740, 27048, 28077, 30751, 32088, 33810, 35144, 37436, 38640, 40110, 43930, 45080, 45840, 46795, 52716, 53480, 54096, 56154, 61502, 64176, 65895, 67620, 70288, 74872, 80220, 87860, 90160, 92253, 93590, 105432, 106960, 112308, 123004, 131790, 135240, 140385, 149744, 153755, 160440, 175720, 184506, 187180, 210864, 215257, 224616, 246008, 263580, 270480, 280770, 307510, 320880, 351440, 369012, 374360, 430514, 449232, 461265, 492016, 527160, 561540, 615020, 645771, 738024, 748720, 861028, 922530, 1054320, 1076285, 1123080, 1230040, 1291542, 1476048, 1722056, 1845060, 2152570, 2246160, 2460080, 2583084, 3228855, 3444112, 3690120, 4305140, 5166168, 6457710, 7380240, 8610280, 10332336, 12915420, 17220560, 25830840, 51661680]

約数ペア:

[(1, 51661680), (2, 25830840), (3, 17220560), (4, 12915420), (5, 10332336), (6, 8610280), (7, 7380240), (8, 6457710), (10, 5166168), (12, 4305140), (14, 3690120), (15, 3444112), (16, 3228855), (20, 2583084), (21, 2460080), (23, 2246160), (24, 2152570), (28, 1845060), (30, 1722056), (35, 1476048), (40, 1291542), (42, 1230040), (46, 1123080), (48, 1076285), (49, 1054320), (56, 922530), (60, 861028), (69, 748720), (70, 738024), (80, 645771), (84, 615020), (92, 561540), (98, 527160), (105, 492016), (112, 461265), (115, 449232), (120, 430514), (138, 374360), (140, 369012), (147, 351440), (161, 320880), (168, 307510), (184, 280770), (191, 270480), (196, 263580), (210, 246008), (230, 224616), (240, 215257), (245, 210864), (276, 187180), (280, 184506), (294, 175720), (322, 160440), (336, 153755), (345, 149744), (368, 140385), (382, 135240), (392, 131790), (420, 123004), (460, 112308), (483, 106960), (490, 105432), (552, 93590), (560, 92253), (573, 90160), (588, 87860), (644, 80220), (690, 74872), (735, 70288), (764, 67620), (784, 65895), (805, 64176), (840, 61502), (920, 56154), (955, 54096), (966, 53480), (980, 52716), (1104, 46795), (1127, 45840), (1146, 45080), (1176, 43930), (1288, 40110), (1337, 38640), (1380, 37436), (1470, 35144), (1528, 33810), (1610, 32088), (1680, 30751), (1840, 28077), (1910, 27048), (1932, 26740), (1960, 26358), (2254, 22920), (2292, 22540), (2352, 21965), (2415, 21392), (2576, 20055), (2674, 19320), (2760, 18718), (2865, 18032), (2940, 17572), (3056, 16905), (3220, 16044), (3381, 15280), (3820, 13524), (3864, 13370), (3920, 13179), (4011, 12880), (4393, 11760), (4508, 11460), (4584, 11270), (4830, 10696), (5348, 9660), (5520, 9359), (5635, 9168), (5730, 9016), (5880, 8786), (6440, 8022), (6685, 7728), (6762, 7640)]