131563040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 367402392

約数和(自身を除く): 235839352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 160, 173, 194, 196, 224, 245, 280, 346, 388, 392, 485, 490, 560, 679, 692, 776, 784, 865, 970, 980, 1120, 1211, 1358, 1384, 1552, 1568, 1730, 1940, 1960, 2422, 2716, 2768, 3104, 3395, 3460, 3880, 3920, 4753, 4844, 5432, 5536, 6055, 6790, 6920, 7760, 7840, 8477, 9506, 9688, 10864, 12110, 13580, 13840, 15520, 16781, 16954, 19012, 19376, 21728, 23765, 24220, 27160, 27680, 33562, 33908, 38024, 38752, 42385, 47530, 48440, 54320, 67124, 67816, 76048, 83905, 84770, 95060, 96880, 108640, 117467, 134248, 135632, 152096, 167810, 169540, 190120, 193760, 234934, 268496, 271264, 335620, 339080, 380240, 469868, 536992, 587335, 671240, 678160, 760480, 822269, 939736, 1174670, 1342480, 1356320, 1644538, 1879472, 2349340, 2684960, 3289076, 3758944, 4111345, 4698680, 6578152, 8222690, 9397360, 13156304, 16445380, 18794720, 26312608, 32890760, 65781520, 131563040]

約数ペア:

[(1, 131563040), (2, 65781520), (4, 32890760), (5, 26312608), (7, 18794720), (8, 16445380), (10, 13156304), (14, 9397360), (16, 8222690), (20, 6578152), (28, 4698680), (32, 4111345), (35, 3758944), (40, 3289076), (49, 2684960), (56, 2349340), (70, 1879472), (80, 1644538), (97, 1356320), (98, 1342480), (112, 1174670), (140, 939736), (160, 822269), (173, 760480), (194, 678160), (196, 671240), (224, 587335), (245, 536992), (280, 469868), (346, 380240), (388, 339080), (392, 335620), (485, 271264), (490, 268496), (560, 234934), (679, 193760), (692, 190120), (776, 169540), (784, 167810), (865, 152096), (970, 135632), (980, 134248), (1120, 117467), (1211, 108640), (1358, 96880), (1384, 95060), (1552, 84770), (1568, 83905), (1730, 76048), (1940, 67816), (1960, 67124), (2422, 54320), (2716, 48440), (2768, 47530), (3104, 42385), (3395, 38752), (3460, 38024), (3880, 33908), (3920, 33562), (4753, 27680), (4844, 27160), (5432, 24220), (5536, 23765), (6055, 21728), (6790, 19376), (6920, 19012), (7760, 16954), (7840, 16781), (8477, 15520), (9506, 13840), (9688, 13580), (10864, 12110)]