72464800

素因数分解:

$2^5\times 5^2\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 72

約数和(自身を含む): 178113600

約数和(自身を除く): 105648800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 239, 379, 400, 478, 758, 800, 956, 1195, 1516, 1895, 1912, 2390, 3032, 3790, 3824, 4780, 5975, 6064, 7580, 7648, 9475, 9560, 11950, 12128, 15160, 18950, 19120, 23900, 30320, 37900, 38240, 47800, 60640, 75800, 90581, 95600, 151600, 181162, 191200, 303200, 362324, 452905, 724648, 905810, 1449296, 1811620, 2264525, 2898592, 3623240, 4529050, 7246480, 9058100, 14492960, 18116200, 36232400, 72464800]

約数ペア:

[(1, 72464800), (2, 36232400), (4, 18116200), (5, 14492960), (8, 9058100), (10, 7246480), (16, 4529050), (20, 3623240), (25, 2898592), (32, 2264525), (40, 1811620), (50, 1449296), (80, 905810), (100, 724648), (160, 452905), (200, 362324), (239, 303200), (379, 191200), (400, 181162), (478, 151600), (758, 95600), (800, 90581), (956, 75800), (1195, 60640), (1516, 47800), (1895, 38240), (1912, 37900), (2390, 30320), (3032, 23900), (3790, 19120), (3824, 18950), (4780, 15160), (5975, 12128), (6064, 11950), (7580, 9560), (7648, 9475)]