261558560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{887}}^1$

素因数の和:1018

約数の個数: 96

約数和(自身を含む): 657901440

約数和(自身を除く): 396342880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 97, 152, 160, 190, 194, 304, 380, 388, 485, 608, 760, 776, 887, 970, 1520, 1552, 1774, 1843, 1940, 3040, 3104, 3548, 3686, 3880, 4435, 7096, 7372, 7760, 8870, 9215, 14192, 14744, 15520, 16853, 17740, 18430, 28384, 29488, 33706, 35480, 36860, 58976, 67412, 70960, 73720, 84265, 86039, 134824, 141920, 147440, 168530, 172078, 269648, 294880, 337060, 344156, 430195, 539296, 674120, 688312, 860390, 1348240, 1376624, 1634741, 1720780, 2696480, 2753248, 3269482, 3441560, 6538964, 6883120, 8173705, 13077928, 13766240, 16347410, 26155856, 32694820, 52311712, 65389640, 130779280, 261558560]

約数ペア:

[(1, 261558560), (2, 130779280), (4, 65389640), (5, 52311712), (8, 32694820), (10, 26155856), (16, 16347410), (19, 13766240), (20, 13077928), (32, 8173705), (38, 6883120), (40, 6538964), (76, 3441560), (80, 3269482), (95, 2753248), (97, 2696480), (152, 1720780), (160, 1634741), (190, 1376624), (194, 1348240), (304, 860390), (380, 688312), (388, 674120), (485, 539296), (608, 430195), (760, 344156), (776, 337060), (887, 294880), (970, 269648), (1520, 172078), (1552, 168530), (1774, 147440), (1843, 141920), (1940, 134824), (3040, 86039), (3104, 84265), (3548, 73720), (3686, 70960), (3880, 67412), (4435, 58976), (7096, 36860), (7372, 35480), (7760, 33706), (8870, 29488), (9215, 28384), (14192, 18430), (14744, 17740), (15520, 16853)]