25520670

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 120

約数和(自身を含む): 79950024

約数和(自身を除く): 54429354

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 643, 735, 810, 882, 945, 1134, 1286, 1323, 1470, 1890, 1929, 2205, 2646, 2835, 3215, 3858, 3969, 4410, 4501, 5670, 5787, 6430, 6615, 7938, 9002, 9645, 11574, 13230, 13503, 17361, 19290, 19845, 22505, 27006, 28935, 31507, 34722, 39690, 40509, 45010, 52083, 57870, 63014, 67515, 81018, 86805, 94521, 104166, 121527, 135030, 157535, 173610, 189042, 202545, 243054, 260415, 283563, 315070, 364581, 405090, 472605, 520830, 567126, 607635, 729162, 850689, 945210, 1215270, 1417815, 1701378, 1822905, 2552067, 2835630, 3645810, 4253445, 5104134, 8506890, 12760335, 25520670]

約数ペア:

[(1, 25520670), (2, 12760335), (3, 8506890), (5, 5104134), (6, 4253445), (7, 3645810), (9, 2835630), (10, 2552067), (14, 1822905), (15, 1701378), (18, 1417815), (21, 1215270), (27, 945210), (30, 850689), (35, 729162), (42, 607635), (45, 567126), (49, 520830), (54, 472605), (63, 405090), (70, 364581), (81, 315070), (90, 283563), (98, 260415), (105, 243054), (126, 202545), (135, 189042), (147, 173610), (162, 157535), (189, 135030), (210, 121527), (245, 104166), (270, 94521), (294, 86805), (315, 81018), (378, 67515), (405, 63014), (441, 57870), (490, 52083), (567, 45010), (630, 40509), (643, 39690), (735, 34722), (810, 31507), (882, 28935), (945, 27006), (1134, 22505), (1286, 19845), (1323, 19290), (1470, 17361), (1890, 13503), (1929, 13230), (2205, 11574), (2646, 9645), (2835, 9002), (3215, 7938), (3858, 6615), (3969, 6430), (4410, 5787), (4501, 5670)]