76808480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 215373816

約数和(自身を除く): 138565336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 97, 98, 101, 112, 140, 160, 194, 196, 202, 224, 245, 280, 388, 392, 404, 485, 490, 505, 560, 679, 707, 776, 784, 808, 970, 980, 1010, 1120, 1358, 1414, 1552, 1568, 1616, 1940, 1960, 2020, 2716, 2828, 3104, 3232, 3395, 3535, 3880, 3920, 4040, 4753, 4949, 5432, 5656, 6790, 7070, 7760, 7840, 8080, 9506, 9797, 9898, 10864, 11312, 13580, 14140, 15520, 16160, 19012, 19594, 19796, 21728, 22624, 23765, 24745, 27160, 28280, 38024, 39188, 39592, 47530, 48985, 49490, 54320, 56560, 68579, 76048, 78376, 79184, 95060, 97970, 98980, 108640, 113120, 137158, 152096, 156752, 158368, 190120, 195940, 197960, 274316, 313504, 342895, 380240, 391880, 395920, 480053, 548632, 685790, 760480, 783760, 791840, 960106, 1097264, 1371580, 1567520, 1920212, 2194528, 2400265, 2743160, 3840424, 4800530, 5486320, 7680848, 9601060, 10972640, 15361696, 19202120, 38404240, 76808480]

約数ペア:

[(1, 76808480), (2, 38404240), (4, 19202120), (5, 15361696), (7, 10972640), (8, 9601060), (10, 7680848), (14, 5486320), (16, 4800530), (20, 3840424), (28, 2743160), (32, 2400265), (35, 2194528), (40, 1920212), (49, 1567520), (56, 1371580), (70, 1097264), (80, 960106), (97, 791840), (98, 783760), (101, 760480), (112, 685790), (140, 548632), (160, 480053), (194, 395920), (196, 391880), (202, 380240), (224, 342895), (245, 313504), (280, 274316), (388, 197960), (392, 195940), (404, 190120), (485, 158368), (490, 156752), (505, 152096), (560, 137158), (679, 113120), (707, 108640), (776, 98980), (784, 97970), (808, 95060), (970, 79184), (980, 78376), (1010, 76048), (1120, 68579), (1358, 56560), (1414, 54320), (1552, 49490), (1568, 48985), (1616, 47530), (1940, 39592), (1960, 39188), (2020, 38024), (2716, 28280), (2828, 27160), (3104, 24745), (3232, 23765), (3395, 22624), (3535, 21728), (3880, 19796), (3920, 19594), (4040, 19012), (4753, 16160), (4949, 15520), (5432, 14140), (5656, 13580), (6790, 11312), (7070, 10864), (7760, 9898), (7840, 9797), (8080, 9506)]