30821502495

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{320107}}^1$

素因数の和:320260

約数の個数: 48

約数和(自身を含む): 57803822208

約数和(自身を除く): 26982319713

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 131, 147, 245, 393, 655, 735, 917, 1965, 2751, 4585, 6419, 13755, 19257, 32095, 96285, 320107, 960321, 1600535, 2240749, 4801605, 6722247, 11203745, 15685243, 33611235, 41934017, 47055729, 78426215, 125802051, 209670085, 235278645, 293538119, 629010255, 880614357, 1467690595, 2054766833, 4403071785, 6164300499, 10273834165, 30821502495]

約数ペア:

[(1, 30821502495), (3, 10273834165), (5, 6164300499), (7, 4403071785), (15, 2054766833), (21, 1467690595), (35, 880614357), (49, 629010255), (105, 293538119), (131, 235278645), (147, 209670085), (245, 125802051), (393, 78426215), (655, 47055729), (735, 41934017), (917, 33611235), (1965, 15685243), (2751, 11203745), (4585, 6722247), (6419, 4801605), (13755, 2240749), (19257, 1600535), (32095, 960321), (96285, 320107)]