65781520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 180785304

約数和(自身を除く): 115003784

約数列:

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

約数ペア:

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