1800000072

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{5101}}^1$

素因数の和:5168

約数の個数: 144

約数和(自身を含む): 5461946100

約数和(自身を除く): 3661946028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 29, 36, 39, 52, 58, 72, 78, 87, 104, 116, 117, 156, 169, 174, 232, 234, 261, 312, 338, 348, 377, 468, 507, 522, 676, 696, 754, 936, 1014, 1044, 1131, 1352, 1508, 1521, 2028, 2088, 2262, 3016, 3042, 3393, 4056, 4524, 4901, 5101, 6084, 6786, 9048, 9802, 10202, 12168, 13572, 14703, 15303, 19604, 20404, 27144, 29406, 30606, 39208, 40808, 44109, 45909, 58812, 61212, 66313, 88218, 91818, 117624, 122424, 132626, 147929, 176436, 183636, 198939, 265252, 295858, 352872, 367272, 397878, 443787, 530504, 591716, 596817, 795756, 862069, 887574, 1183432, 1193634, 1331361, 1591512, 1724138, 1775148, 1923077, 2387268, 2586207, 2662722, 3448276, 3550296, 3846154, 4774536, 5172414, 5325444, 5769231, 6896552, 7692308, 7758621, 10344828, 10650888, 11538462, 15384616, 15517242, 17307693, 20689656, 23076924, 25000001, 31034484, 34615386, 46153848, 50000002, 62068968, 69230772, 75000003, 100000004, 138461544, 150000006, 200000008, 225000009, 300000012, 450000018, 600000024, 900000036, 1800000072]

約数ペア:

[(1, 1800000072), (2, 900000036), (3, 600000024), (4, 450000018), (6, 300000012), (8, 225000009), (9, 200000008), (12, 150000006), (13, 138461544), (18, 100000004), (24, 75000003), (26, 69230772), (29, 62068968), (36, 50000002), (39, 46153848), (52, 34615386), (58, 31034484), (72, 25000001), (78, 23076924), (87, 20689656), (104, 17307693), (116, 15517242), (117, 15384616), (156, 11538462), (169, 10650888), (174, 10344828), (232, 7758621), (234, 7692308), (261, 6896552), (312, 5769231), (338, 5325444), (348, 5172414), (377, 4774536), (468, 3846154), (507, 3550296), (522, 3448276), (676, 2662722), (696, 2586207), (754, 2387268), (936, 1923077), (1014, 1775148), (1044, 1724138), (1131, 1591512), (1352, 1331361), (1508, 1193634), (1521, 1183432), (2028, 887574), (2088, 862069), (2262, 795756), (3016, 596817), (3042, 591716), (3393, 530504), (4056, 443787), (4524, 397878), (4901, 367272), (5101, 352872), (6084, 295858), (6786, 265252), (9048, 198939), (9802, 183636), (10202, 176436), (12168, 147929), (13572, 132626), (14703, 122424), (15303, 117624), (19604, 91818), (20404, 88218), (27144, 66313), (29406, 61212), (30606, 58812), (39208, 45909), (40808, 44109)]