255835160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3823}}^1$

素因数の和:4080

約数の個数: 64

約数和(自身を含む): 660787200

約数和(自身を除く): 404952040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 3346, 3823, 4780, 6692, 7646, 8365, 9560, 13384, 15292, 16730, 19115, 26761, 30584, 33460, 38230, 53522, 66920, 76460, 107044, 133805, 152920, 214088, 267610, 535220, 913697, 1070440, 1827394, 3654788, 4568485, 6395879, 7309576, 9136970, 12791758, 18273940, 25583516, 31979395, 36547880, 51167032, 63958790, 127917580, 255835160]

約数ペア:

[(1, 255835160), (2, 127917580), (4, 63958790), (5, 51167032), (7, 36547880), (8, 31979395), (10, 25583516), (14, 18273940), (20, 12791758), (28, 9136970), (35, 7309576), (40, 6395879), (56, 4568485), (70, 3654788), (140, 1827394), (239, 1070440), (280, 913697), (478, 535220), (956, 267610), (1195, 214088), (1673, 152920), (1912, 133805), (2390, 107044), (3346, 76460), (3823, 66920), (4780, 53522), (6692, 38230), (7646, 33460), (8365, 30584), (9560, 26761), (13384, 19115), (15292, 16730)]