61979120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 170395344

約数和(自身を除く): 108416224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 97, 98, 112, 140, 163, 194, 196, 245, 280, 326, 388, 392, 485, 490, 560, 652, 679, 776, 784, 815, 970, 980, 1141, 1304, 1358, 1552, 1630, 1940, 1960, 2282, 2608, 2716, 3260, 3395, 3880, 3920, 4564, 4753, 5432, 5705, 6520, 6790, 7760, 7987, 9128, 9506, 10864, 11410, 13040, 13580, 15811, 15974, 18256, 19012, 22820, 23765, 27160, 31622, 31948, 38024, 39935, 45640, 47530, 54320, 63244, 63896, 76048, 79055, 79870, 91280, 95060, 110677, 126488, 127792, 158110, 159740, 190120, 221354, 252976, 316220, 319480, 380240, 442708, 553385, 632440, 638960, 774739, 885416, 1106770, 1264880, 1549478, 1770832, 2213540, 3098956, 3873695, 4427080, 6197912, 7747390, 8854160, 12395824, 15494780, 30989560, 61979120]

約数ペア:

[(1, 61979120), (2, 30989560), (4, 15494780), (5, 12395824), (7, 8854160), (8, 7747390), (10, 6197912), (14, 4427080), (16, 3873695), (20, 3098956), (28, 2213540), (35, 1770832), (40, 1549478), (49, 1264880), (56, 1106770), (70, 885416), (80, 774739), (97, 638960), (98, 632440), (112, 553385), (140, 442708), (163, 380240), (194, 319480), (196, 316220), (245, 252976), (280, 221354), (326, 190120), (388, 159740), (392, 158110), (485, 127792), (490, 126488), (560, 110677), (652, 95060), (679, 91280), (776, 79870), (784, 79055), (815, 76048), (970, 63896), (980, 63244), (1141, 54320), (1304, 47530), (1358, 45640), (1552, 39935), (1630, 38024), (1940, 31948), (1960, 31622), (2282, 27160), (2608, 23765), (2716, 22820), (3260, 19012), (3395, 18256), (3880, 15974), (3920, 15811), (4564, 13580), (4753, 13040), (5432, 11410), (5705, 10864), (6520, 9506), (6790, 9128), (7760, 7987)]