128220225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{863}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 243412992

約数和(自身を除く): 115192767

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 283, 525, 849, 863, 1415, 1981, 2589, 4245, 4315, 5943, 6041, 7075, 9905, 12945, 18123, 21225, 21575, 29715, 30205, 49525, 64725, 90615, 148575, 151025, 244229, 453075, 732687, 1221145, 1709603, 3663435, 5128809, 6105725, 8548015, 18317175, 25644045, 42740075, 128220225]

約数ペア:

[(1, 128220225), (3, 42740075), (5, 25644045), (7, 18317175), (15, 8548015), (21, 6105725), (25, 5128809), (35, 3663435), (75, 1709603), (105, 1221145), (175, 732687), (283, 453075), (525, 244229), (849, 151025), (863, 148575), (1415, 90615), (1981, 64725), (2589, 49525), (4245, 30205), (4315, 29715), (5943, 21575), (6041, 21225), (7075, 18123), (9905, 12945)]