320071245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{86389}}^1$

素因数の和:86429

約数の個数: 32

約数和(自身を含む): 580540800

約数和(自身を除く): 260469555

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 86389, 259167, 431945, 1123057, 1295835, 1641391, 3369171, 4924173, 5615285, 8206955, 16845855, 21338083, 24620865, 64014249, 106690415, 320071245]

約数ペア:

[(1, 320071245), (3, 106690415), (5, 64014249), (13, 24620865), (15, 21338083), (19, 16845855), (39, 8206955), (57, 5615285), (65, 4924173), (95, 3369171), (195, 1641391), (247, 1295835), (285, 1123057), (741, 431945), (1235, 259167), (3705, 86389)]