42113680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 112849920

約数和(自身を除く): 70736240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 479, 560, 628, 785, 958, 1099, 1256, 1570, 1916, 2198, 2395, 2512, 3140, 3353, 3832, 4396, 4790, 5495, 6280, 6706, 7664, 8792, 9580, 10990, 12560, 13412, 16765, 17584, 19160, 21980, 26824, 33530, 38320, 43960, 53648, 67060, 75203, 87920, 134120, 150406, 268240, 300812, 376015, 526421, 601624, 752030, 1052842, 1203248, 1504060, 2105684, 2632105, 3008120, 4211368, 5264210, 6016240, 8422736, 10528420, 21056840, 42113680]

約数ペア:

[(1, 42113680), (2, 21056840), (4, 10528420), (5, 8422736), (7, 6016240), (8, 5264210), (10, 4211368), (14, 3008120), (16, 2632105), (20, 2105684), (28, 1504060), (35, 1203248), (40, 1052842), (56, 752030), (70, 601624), (80, 526421), (112, 376015), (140, 300812), (157, 268240), (280, 150406), (314, 134120), (479, 87920), (560, 75203), (628, 67060), (785, 53648), (958, 43960), (1099, 38320), (1256, 33530), (1570, 26824), (1916, 21980), (2198, 19160), (2395, 17584), (2512, 16765), (3140, 13412), (3353, 12560), (3832, 10990), (4396, 9580), (4790, 8792), (5495, 7664), (6280, 6706)]