128621920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2864

約数の個数: 96

約数和(自身を含む): 355876416

約数和(自身を除く): 227254496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 70, 80, 82, 112, 140, 160, 164, 205, 224, 280, 287, 328, 410, 560, 574, 656, 820, 1120, 1148, 1312, 1435, 1640, 2296, 2801, 2870, 3280, 4592, 5602, 5740, 6560, 9184, 11204, 11480, 14005, 19607, 22408, 22960, 28010, 39214, 44816, 45920, 56020, 78428, 89632, 98035, 112040, 114841, 156856, 196070, 224080, 229682, 313712, 392140, 448160, 459364, 574205, 627424, 784280, 803887, 918728, 1148410, 1568560, 1607774, 1837456, 2296820, 3137120, 3215548, 3674912, 4019435, 4593640, 6431096, 8038870, 9187280, 12862192, 16077740, 18374560, 25724384, 32155480, 64310960, 128621920]

約数ペア:

[(1, 128621920), (2, 64310960), (4, 32155480), (5, 25724384), (7, 18374560), (8, 16077740), (10, 12862192), (14, 9187280), (16, 8038870), (20, 6431096), (28, 4593640), (32, 4019435), (35, 3674912), (40, 3215548), (41, 3137120), (56, 2296820), (70, 1837456), (80, 1607774), (82, 1568560), (112, 1148410), (140, 918728), (160, 803887), (164, 784280), (205, 627424), (224, 574205), (280, 459364), (287, 448160), (328, 392140), (410, 313712), (560, 229682), (574, 224080), (656, 196070), (820, 156856), (1120, 114841), (1148, 112040), (1312, 98035), (1435, 89632), (1640, 78428), (2296, 56020), (2801, 45920), (2870, 44816), (3280, 39214), (4592, 28010), (5602, 22960), (5740, 22408), (6560, 19607), (9184, 14005), (11204, 11480)]