205245240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 635627520

約数和(自身を除く): 430382280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 151, 188, 235, 241, 282, 302, 376, 453, 470, 482, 564, 604, 705, 723, 755, 906, 940, 964, 1128, 1205, 1208, 1410, 1446, 1510, 1812, 1880, 1928, 2265, 2410, 2820, 2892, 3020, 3615, 3624, 4530, 4820, 5640, 5784, 6040, 7097, 7230, 9060, 9640, 11327, 14194, 14460, 18120, 21291, 22654, 28388, 28920, 33981, 35485, 36391, 42582, 45308, 56635, 56776, 67962, 70970, 72782, 85164, 90616, 106455, 109173, 113270, 135924, 141940, 145564, 169905, 170328, 181955, 212910, 218346, 226540, 271848, 283880, 291128, 339810, 363910, 425820, 436692, 453080, 545865, 679620, 727820, 851640, 873384, 1091730, 1359240, 1455640, 1710377, 2183460, 3420754, 4366920, 5131131, 6841508, 8551885, 10262262, 13683016, 17103770, 20524524, 25655655, 34207540, 41049048, 51311310, 68415080, 102622620, 205245240]

約数ペア:

[(1, 205245240), (2, 102622620), (3, 68415080), (4, 51311310), (5, 41049048), (6, 34207540), (8, 25655655), (10, 20524524), (12, 17103770), (15, 13683016), (20, 10262262), (24, 8551885), (30, 6841508), (40, 5131131), (47, 4366920), (60, 3420754), (94, 2183460), (120, 1710377), (141, 1455640), (151, 1359240), (188, 1091730), (235, 873384), (241, 851640), (282, 727820), (302, 679620), (376, 545865), (453, 453080), (470, 436692), (482, 425820), (564, 363910), (604, 339810), (705, 291128), (723, 283880), (755, 271848), (906, 226540), (940, 218346), (964, 212910), (1128, 181955), (1205, 170328), (1208, 169905), (1410, 145564), (1446, 141940), (1510, 135924), (1812, 113270), (1880, 109173), (1928, 106455), (2265, 90616), (2410, 85164), (2820, 72782), (2892, 70970), (3020, 67962), (3615, 56776), (3624, 56635), (4530, 45308), (4820, 42582), (5640, 36391), (5784, 35485), (6040, 33981), (7097, 28920), (7230, 28388), (9060, 22654), (9640, 21291), (11327, 18120), (14194, 14460)]