251720520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2097671}}^1$

素因数の和:2097685

約数の個数: 32

約数和(自身を含む): 755161920

約数和(自身を除く): 503441400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2097671, 4195342, 6293013, 8390684, 10488355, 12586026, 16781368, 20976710, 25172052, 31465065, 41953420, 50344104, 62930130, 83906840, 125860260, 251720520]

約数ペア:

[(1, 251720520), (2, 125860260), (3, 83906840), (4, 62930130), (5, 50344104), (6, 41953420), (8, 31465065), (10, 25172052), (12, 20976710), (15, 16781368), (20, 12586026), (24, 10488355), (30, 8390684), (40, 6293013), (60, 4195342), (120, 2097671)]