81781128

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 267321600

約数和(自身を除く): 185540472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 47, 52, 66, 72, 78, 88, 94, 99, 104, 117, 132, 141, 143, 156, 169, 188, 198, 234, 264, 282, 286, 312, 338, 376, 396, 423, 429, 468, 507, 517, 564, 572, 611, 676, 792, 846, 858, 936, 1014, 1034, 1128, 1144, 1222, 1287, 1352, 1521, 1551, 1692, 1716, 1833, 1859, 2028, 2068, 2197, 2444, 2574, 3042, 3102, 3384, 3432, 3666, 3718, 4056, 4136, 4394, 4653, 4888, 5148, 5499, 5577, 6084, 6204, 6591, 6721, 7332, 7436, 7943, 8788, 9306, 10296, 10998, 11154, 12168, 12408, 13182, 13442, 14664, 14872, 15886, 16731, 17576, 18612, 19773, 20163, 21996, 22308, 23829, 24167, 26364, 26884, 31772, 33462, 37224, 39546, 40326, 43992, 44616, 47658, 48334, 52728, 53768, 60489, 63544, 66924, 71487, 72501, 79092, 80652, 87373, 95316, 96668, 103259, 120978, 133848, 142974, 145002, 158184, 161304, 174746, 190632, 193336, 206518, 217503, 241956, 262119, 285948, 290004, 309777, 349492, 413036, 435006, 483912, 524238, 571896, 580008, 619554, 698984, 786357, 826072, 870012, 929331, 1048476, 1135849, 1239108, 1572714, 1740024, 1858662, 2096952, 2271698, 2478216, 3145428, 3407547, 3717324, 4543396, 6290856, 6815094, 7434648, 9086792, 10222641, 13630188, 20445282, 27260376, 40890564, 81781128]

約数ペア:

[(1, 81781128), (2, 40890564), (3, 27260376), (4, 20445282), (6, 13630188), (8, 10222641), (9, 9086792), (11, 7434648), (12, 6815094), (13, 6290856), (18, 4543396), (22, 3717324), (24, 3407547), (26, 3145428), (33, 2478216), (36, 2271698), (39, 2096952), (44, 1858662), (47, 1740024), (52, 1572714), (66, 1239108), (72, 1135849), (78, 1048476), (88, 929331), (94, 870012), (99, 826072), (104, 786357), (117, 698984), (132, 619554), (141, 580008), (143, 571896), (156, 524238), (169, 483912), (188, 435006), (198, 413036), (234, 349492), (264, 309777), (282, 290004), (286, 285948), (312, 262119), (338, 241956), (376, 217503), (396, 206518), (423, 193336), (429, 190632), (468, 174746), (507, 161304), (517, 158184), (564, 145002), (572, 142974), (611, 133848), (676, 120978), (792, 103259), (846, 96668), (858, 95316), (936, 87373), (1014, 80652), (1034, 79092), (1128, 72501), (1144, 71487), (1222, 66924), (1287, 63544), (1352, 60489), (1521, 53768), (1551, 52728), (1692, 48334), (1716, 47658), (1833, 44616), (1859, 43992), (2028, 40326), (2068, 39546), (2197, 37224), (2444, 33462), (2574, 31772), (3042, 26884), (3102, 26364), (3384, 24167), (3432, 23829), (3666, 22308), (3718, 21996), (4056, 20163), (4136, 19773), (4394, 18612), (4653, 17576), (4888, 16731), (5148, 15886), (5499, 14872), (5577, 14664), (6084, 13442), (6204, 13182), (6591, 12408), (6721, 12168), (7332, 11154), (7436, 10998), (7943, 10296), (8788, 9306)]