157420263

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 309657600

約数和(自身を除く): 152237337

約数列:

[1, 3, 7, 11, 13, 19, 21, 31, 33, 39, 57, 77, 89, 91, 93, 133, 143, 209, 217, 231, 247, 267, 273, 341, 399, 403, 429, 589, 623, 627, 651, 741, 979, 1001, 1023, 1157, 1209, 1463, 1691, 1729, 1767, 1869, 2387, 2717, 2759, 2821, 2937, 3003, 3471, 4123, 4389, 4433, 5073, 5187, 6479, 6853, 7161, 7657, 8099, 8151, 8277, 8463, 11837, 12369, 12727, 13299, 18601, 19019, 19313, 19437, 20559, 21983, 22971, 24297, 30349, 31031, 35511, 35867, 38181, 45353, 52421, 53599, 55803, 57057, 57939, 65949, 84227, 89089, 91047, 93093, 107601, 130207, 136059, 153881, 157263, 160797, 212443, 241813, 251069, 252681, 267267, 366947, 390621, 394537, 461643, 576631, 589589, 637329, 681473, 725439, 753207, 1100841, 1183611, 1692691, 1729893, 1768767, 2044419, 2761759, 4036417, 4770311, 5078073, 7496203, 8285277, 12109251, 14310933, 22488609, 52473421, 157420263]

約数ペア:

[(1, 157420263), (3, 52473421), (7, 22488609), (11, 14310933), (13, 12109251), (19, 8285277), (21, 7496203), (31, 5078073), (33, 4770311), (39, 4036417), (57, 2761759), (77, 2044419), (89, 1768767), (91, 1729893), (93, 1692691), (133, 1183611), (143, 1100841), (209, 753207), (217, 725439), (231, 681473), (247, 637329), (267, 589589), (273, 576631), (341, 461643), (399, 394537), (403, 390621), (429, 366947), (589, 267267), (623, 252681), (627, 251069), (651, 241813), (741, 212443), (979, 160797), (1001, 157263), (1023, 153881), (1157, 136059), (1209, 130207), (1463, 107601), (1691, 93093), (1729, 91047), (1767, 89089), (1869, 84227), (2387, 65949), (2717, 57939), (2759, 57057), (2821, 55803), (2937, 53599), (3003, 52421), (3471, 45353), (4123, 38181), (4389, 35867), (4433, 35511), (5073, 31031), (5187, 30349), (6479, 24297), (6853, 22971), (7161, 21983), (7657, 20559), (8099, 19437), (8151, 19313), (8277, 19019), (8463, 18601), (11837, 13299), (12369, 12727)]