70820480

素因数分解:

$2^7\times 5^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 170380800

約数和(自身を除く): 99560320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 320, 463, 478, 640, 926, 956, 1195, 1852, 1912, 2315, 2390, 3704, 3824, 4630, 4780, 7408, 7648, 9260, 9560, 14816, 15296, 18520, 19120, 29632, 30592, 37040, 38240, 59264, 74080, 76480, 110657, 148160, 152960, 221314, 296320, 442628, 553285, 885256, 1106570, 1770512, 2213140, 3541024, 4426280, 7082048, 8852560, 14164096, 17705120, 35410240, 70820480]

約数ペア:

[(1, 70820480), (2, 35410240), (4, 17705120), (5, 14164096), (8, 8852560), (10, 7082048), (16, 4426280), (20, 3541024), (32, 2213140), (40, 1770512), (64, 1106570), (80, 885256), (128, 553285), (160, 442628), (239, 296320), (320, 221314), (463, 152960), (478, 148160), (640, 110657), (926, 76480), (956, 74080), (1195, 59264), (1852, 38240), (1912, 37040), (2315, 30592), (2390, 29632), (3704, 19120), (3824, 18520), (4630, 15296), (4780, 14816), (7408, 9560), (7648, 9260)]