155231216

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 390577680

約数和(自身を除く): 235346464

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 49, 56, 68, 76, 98, 112, 119, 133, 136, 152, 196, 238, 266, 272, 304, 323, 392, 476, 532, 613, 646, 784, 833, 931, 952, 1064, 1226, 1292, 1666, 1862, 1904, 2128, 2261, 2452, 2584, 3332, 3724, 4291, 4522, 4904, 5168, 6664, 7448, 8582, 9044, 9808, 10421, 11647, 13328, 14896, 15827, 17164, 18088, 20842, 23294, 30037, 31654, 34328, 36176, 41684, 46588, 60074, 63308, 68656, 72947, 81529, 83368, 93176, 120148, 126616, 145894, 163058, 166736, 186352, 197999, 240296, 253232, 291788, 326116, 395998, 480592, 510629, 570703, 583576, 652232, 791996, 1021258, 1141406, 1167152, 1304464, 1385993, 1583992, 2042516, 2282812, 2771986, 3167984, 4085032, 4565624, 5543972, 8170064, 9131248, 9701951, 11087944, 19403902, 22175888, 38807804, 77615608, 155231216]

約数ペア:

[(1, 155231216), (2, 77615608), (4, 38807804), (7, 22175888), (8, 19403902), (14, 11087944), (16, 9701951), (17, 9131248), (19, 8170064), (28, 5543972), (34, 4565624), (38, 4085032), (49, 3167984), (56, 2771986), (68, 2282812), (76, 2042516), (98, 1583992), (112, 1385993), (119, 1304464), (133, 1167152), (136, 1141406), (152, 1021258), (196, 791996), (238, 652232), (266, 583576), (272, 570703), (304, 510629), (323, 480592), (392, 395998), (476, 326116), (532, 291788), (613, 253232), (646, 240296), (784, 197999), (833, 186352), (931, 166736), (952, 163058), (1064, 145894), (1226, 126616), (1292, 120148), (1666, 93176), (1862, 83368), (1904, 81529), (2128, 72947), (2261, 68656), (2452, 63308), (2584, 60074), (3332, 46588), (3724, 41684), (4291, 36176), (4522, 34328), (4904, 31654), (5168, 30037), (6664, 23294), (7448, 20842), (8582, 18088), (9044, 17164), (9808, 15827), (10421, 14896), (11647, 13328)]