64908840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540907}}^1$

素因数の和:540921

約数の個数: 32

約数和(自身を含む): 194726880

約数和(自身を除く): 129818040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540907, 1081814, 1622721, 2163628, 2704535, 3245442, 4327256, 5409070, 6490884, 8113605, 10818140, 12981768, 16227210, 21636280, 32454420, 64908840]

約数ペア:

[(1, 64908840), (2, 32454420), (3, 21636280), (4, 16227210), (5, 12981768), (6, 10818140), (8, 8113605), (10, 6490884), (12, 5409070), (15, 4327256), (20, 3245442), (24, 2704535), (30, 2163628), (40, 1622721), (60, 1081814), (120, 540907)]