128508390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{475957}}^1$

素因数の和:475973

約数の個数: 32

約数和(自身を含む): 342689760

約数和(自身を除く): 214181370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 475957, 951914, 1427871, 2379785, 2855742, 4283613, 4759570, 7139355, 8567226, 12850839, 14278710, 21418065, 25701678, 42836130, 64254195, 128508390]

約数ペア:

[(1, 128508390), (2, 64254195), (3, 42836130), (5, 25701678), (6, 21418065), (9, 14278710), (10, 12850839), (15, 8567226), (18, 7139355), (27, 4759570), (30, 4283613), (45, 2855742), (54, 2379785), (90, 1427871), (135, 951914), (270, 475957)]