64531700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 146053152

約数和(自身を除く): 81521452

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 107, 148, 163, 185, 214, 326, 370, 428, 535, 652, 740, 815, 925, 1070, 1630, 1850, 2140, 2675, 3260, 3700, 3959, 4075, 5350, 6031, 7918, 8150, 10700, 12062, 15836, 16300, 17441, 19795, 24124, 30155, 34882, 39590, 60310, 69764, 79180, 87205, 98975, 120620, 150775, 174410, 197950, 301550, 348820, 395900, 436025, 603100, 645317, 872050, 1290634, 1744100, 2581268, 3226585, 6453170, 12906340, 16132925, 32265850, 64531700]

約数ペア:

[(1, 64531700), (2, 32265850), (4, 16132925), (5, 12906340), (10, 6453170), (20, 3226585), (25, 2581268), (37, 1744100), (50, 1290634), (74, 872050), (100, 645317), (107, 603100), (148, 436025), (163, 395900), (185, 348820), (214, 301550), (326, 197950), (370, 174410), (428, 150775), (535, 120620), (652, 98975), (740, 87205), (815, 79180), (925, 69764), (1070, 60310), (1630, 39590), (1850, 34882), (2140, 30155), (2675, 24124), (3260, 19795), (3700, 17441), (3959, 16300), (4075, 15836), (5350, 12062), (6031, 10700), (7918, 8150)]