72826520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3257}}^1$

素因数の和:3324

約数の個数: 64

約数和(自身を含む): 180623520

約数和(自身を除く): 107797000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 3257, 4472, 5590, 6514, 11180, 13028, 16285, 22360, 26056, 32570, 42341, 65140, 84682, 130280, 140051, 169364, 211705, 280102, 338728, 423410, 560204, 700255, 846820, 1120408, 1400510, 1693640, 1820663, 2801020, 3641326, 5602040, 7282652, 9103315, 14565304, 18206630, 36413260, 72826520]

約数ペア:

[(1, 72826520), (2, 36413260), (4, 18206630), (5, 14565304), (8, 9103315), (10, 7282652), (13, 5602040), (20, 3641326), (26, 2801020), (40, 1820663), (43, 1693640), (52, 1400510), (65, 1120408), (86, 846820), (104, 700255), (130, 560204), (172, 423410), (215, 338728), (260, 280102), (344, 211705), (430, 169364), (520, 140051), (559, 130280), (860, 84682), (1118, 65140), (1720, 42341), (2236, 32570), (2795, 26056), (3257, 22360), (4472, 16285), (5590, 13028), (6514, 11180)]