64090240

素因数分解:

$2^7\times 5^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 154224000

約数和(自身を除く): 90133760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 320, 419, 478, 640, 838, 956, 1195, 1676, 1912, 2095, 2390, 3352, 3824, 4190, 4780, 6704, 7648, 8380, 9560, 13408, 15296, 16760, 19120, 26816, 30592, 33520, 38240, 53632, 67040, 76480, 100141, 134080, 152960, 200282, 268160, 400564, 500705, 801128, 1001410, 1602256, 2002820, 3204512, 4005640, 6409024, 8011280, 12818048, 16022560, 32045120, 64090240]

約数ペア:

[(1, 64090240), (2, 32045120), (4, 16022560), (5, 12818048), (8, 8011280), (10, 6409024), (16, 4005640), (20, 3204512), (32, 2002820), (40, 1602256), (64, 1001410), (80, 801128), (128, 500705), (160, 400564), (239, 268160), (320, 200282), (419, 152960), (478, 134080), (640, 100141), (838, 76480), (956, 67040), (1195, 53632), (1676, 38240), (1912, 33520), (2095, 30592), (2390, 26816), (3352, 19120), (3824, 16760), (4190, 15296), (4780, 13408), (6704, 9560), (7648, 8380)]