30256240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 81369792

約数和(自身を除く): 51113552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 557, 560, 679, 776, 970, 1114, 1358, 1552, 1940, 2228, 2716, 2785, 3395, 3880, 3899, 4456, 5432, 5570, 6790, 7760, 7798, 8912, 10864, 11140, 13580, 15596, 19495, 22280, 27160, 31192, 38990, 44560, 54029, 54320, 62384, 77980, 108058, 155960, 216116, 270145, 311920, 378203, 432232, 540290, 756406, 864464, 1080580, 1512812, 1891015, 2161160, 3025624, 3782030, 4322320, 6051248, 7564060, 15128120, 30256240]

約数ペア:

[(1, 30256240), (2, 15128120), (4, 7564060), (5, 6051248), (7, 4322320), (8, 3782030), (10, 3025624), (14, 2161160), (16, 1891015), (20, 1512812), (28, 1080580), (35, 864464), (40, 756406), (56, 540290), (70, 432232), (80, 378203), (97, 311920), (112, 270145), (140, 216116), (194, 155960), (280, 108058), (388, 77980), (485, 62384), (557, 54320), (560, 54029), (679, 44560), (776, 38990), (970, 31192), (1114, 27160), (1358, 22280), (1552, 19495), (1940, 15596), (2228, 13580), (2716, 11140), (2785, 10864), (3395, 8912), (3880, 7798), (3899, 7760), (4456, 6790), (5432, 5570)]