1520640015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{75149}}^1$

素因数の和:75247

約数の個数: 32

約数和(自身を含む): 2597184000

約数和(自身を除く): 1076543985

約数列:

[1, 3, 5, 15, 19, 57, 71, 95, 213, 285, 355, 1065, 1349, 4047, 6745, 20235, 75149, 225447, 375745, 1127235, 1427831, 4283493, 5335579, 7139155, 16006737, 21417465, 26677895, 80033685, 101376001, 304128003, 506880005, 1520640015]

約数ペア:

[(1, 1520640015), (3, 506880005), (5, 304128003), (15, 101376001), (19, 80033685), (57, 26677895), (71, 21417465), (95, 16006737), (213, 7139155), (285, 5335579), (355, 4283493), (1065, 1427831), (1349, 1127235), (4047, 375745), (6745, 225447), (20235, 75149)]