64031475

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 109278720

約数和(自身を除く): 45247245

約数列:

[1, 3, 5, 15, 25, 75, 79, 101, 107, 237, 303, 321, 395, 505, 535, 1185, 1515, 1605, 1975, 2525, 2675, 5925, 7575, 7979, 8025, 8453, 10807, 23937, 25359, 32421, 39895, 42265, 54035, 119685, 126795, 162105, 199475, 211325, 270175, 598425, 633975, 810525, 853753, 2561259, 4268765, 12806295, 21343825, 64031475]

約数ペア:

[(1, 64031475), (3, 21343825), (5, 12806295), (15, 4268765), (25, 2561259), (75, 853753), (79, 810525), (101, 633975), (107, 598425), (237, 270175), (303, 211325), (321, 199475), (395, 162105), (505, 126795), (535, 119685), (1185, 54035), (1515, 42265), (1605, 39895), (1975, 32421), (2525, 25359), (2675, 23937), (5925, 10807), (7575, 8453), (7979, 8025)]