71047760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{439}}^1$

素因数の和:493

約数の個数: 120

約数和(自身を含む): 200999040

約数和(自身を除く): 129951280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 289, 340, 439, 476, 560, 578, 595, 680, 878, 952, 1156, 1190, 1360, 1445, 1756, 1904, 2023, 2195, 2312, 2380, 2890, 3073, 3512, 4046, 4390, 4624, 4760, 5780, 6146, 7024, 7463, 8092, 8780, 9520, 10115, 11560, 12292, 14926, 15365, 16184, 17560, 20230, 23120, 24584, 29852, 30730, 32368, 35120, 37315, 40460, 49168, 52241, 59704, 61460, 74630, 80920, 104482, 119408, 122920, 126871, 149260, 161840, 208964, 245840, 253742, 261205, 298520, 417928, 507484, 522410, 597040, 634355, 835856, 888097, 1014968, 1044820, 1268710, 1776194, 2029936, 2089640, 2537420, 3552388, 4179280, 4440485, 5074840, 7104776, 8880970, 10149680, 14209552, 17761940, 35523880, 71047760]

約数ペア:

[(1, 71047760), (2, 35523880), (4, 17761940), (5, 14209552), (7, 10149680), (8, 8880970), (10, 7104776), (14, 5074840), (16, 4440485), (17, 4179280), (20, 3552388), (28, 2537420), (34, 2089640), (35, 2029936), (40, 1776194), (56, 1268710), (68, 1044820), (70, 1014968), (80, 888097), (85, 835856), (112, 634355), (119, 597040), (136, 522410), (140, 507484), (170, 417928), (238, 298520), (272, 261205), (280, 253742), (289, 245840), (340, 208964), (439, 161840), (476, 149260), (560, 126871), (578, 122920), (595, 119408), (680, 104482), (878, 80920), (952, 74630), (1156, 61460), (1190, 59704), (1360, 52241), (1445, 49168), (1756, 40460), (1904, 37315), (2023, 35120), (2195, 32368), (2312, 30730), (2380, 29852), (2890, 24584), (3073, 23120), (3512, 20230), (4046, 17560), (4390, 16184), (4624, 15365), (4760, 14926), (5780, 12292), (6146, 11560), (7024, 10115), (7463, 9520), (8092, 8780)]