64400520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{536671}}^1$

素因数の和:536685

約数の個数: 32

約数和(自身を含む): 193201920

約数和(自身を除く): 128801400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 536671, 1073342, 1610013, 2146684, 2683355, 3220026, 4293368, 5366710, 6440052, 8050065, 10733420, 12880104, 16100130, 21466840, 32200260, 64400520]

約数ペア:

[(1, 64400520), (2, 32200260), (3, 21466840), (4, 16100130), (5, 12880104), (6, 10733420), (8, 8050065), (10, 6440052), (12, 5366710), (15, 4293368), (20, 3220026), (24, 2683355), (30, 2146684), (40, 1610013), (60, 1073342), (120, 536671)]