128309090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 308206080

約数和(自身を除く): 179896990

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 41, 65, 70, 82, 91, 95, 130, 133, 181, 182, 190, 205, 247, 266, 287, 362, 410, 455, 494, 533, 574, 665, 779, 905, 910, 1066, 1235, 1267, 1330, 1435, 1558, 1729, 1810, 2353, 2470, 2534, 2665, 2870, 3439, 3458, 3731, 3895, 4706, 5330, 5453, 6335, 6878, 7421, 7462, 7790, 8645, 10127, 10906, 11765, 12670, 14842, 16471, 17195, 17290, 18655, 20254, 23530, 24073, 27265, 32942, 34390, 37105, 37310, 44707, 48146, 50635, 51947, 54530, 70889, 74210, 82355, 89414, 96473, 101270, 103894, 120365, 140999, 141778, 164710, 192946, 223535, 240730, 259735, 281998, 312949, 354445, 447070, 482365, 519470, 625898, 675311, 704995, 708890, 964730, 986993, 1350622, 1409990, 1564745, 1832987, 1973986, 3129490, 3376555, 3665974, 4934965, 6753110, 9164935, 9869930, 12830909, 18329870, 25661818, 64154545, 128309090]

約数ペア:

[(1, 128309090), (2, 64154545), (5, 25661818), (7, 18329870), (10, 12830909), (13, 9869930), (14, 9164935), (19, 6753110), (26, 4934965), (35, 3665974), (38, 3376555), (41, 3129490), (65, 1973986), (70, 1832987), (82, 1564745), (91, 1409990), (95, 1350622), (130, 986993), (133, 964730), (181, 708890), (182, 704995), (190, 675311), (205, 625898), (247, 519470), (266, 482365), (287, 447070), (362, 354445), (410, 312949), (455, 281998), (494, 259735), (533, 240730), (574, 223535), (665, 192946), (779, 164710), (905, 141778), (910, 140999), (1066, 120365), (1235, 103894), (1267, 101270), (1330, 96473), (1435, 89414), (1558, 82355), (1729, 74210), (1810, 70889), (2353, 54530), (2470, 51947), (2534, 50635), (2665, 48146), (2870, 44707), (3439, 37310), (3458, 37105), (3731, 34390), (3895, 32942), (4706, 27265), (5330, 24073), (5453, 23530), (6335, 20254), (6878, 18655), (7421, 17290), (7462, 17195), (7790, 16471), (8645, 14842), (10127, 12670), (10906, 11765)]