19572720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81553}}^1$

素因数の和:81569

約数の個数: 40

約数和(自身を含む): 60676176

約数和(自身を除く): 41103456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81553, 163106, 244659, 326212, 407765, 489318, 652424, 815530, 978636, 1223295, 1304848, 1631060, 1957272, 2446590, 3262120, 3914544, 4893180, 6524240, 9786360, 19572720]

約数ペア:

[(1, 19572720), (2, 9786360), (3, 6524240), (4, 4893180), (5, 3914544), (6, 3262120), (8, 2446590), (10, 1957272), (12, 1631060), (15, 1304848), (16, 1223295), (20, 978636), (24, 815530), (30, 652424), (40, 489318), (48, 407765), (60, 326212), (80, 244659), (120, 163106), (240, 81553)]