128392920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{356647}}^1$

素因数の和:356664

約数の個数: 48

約数和(自身を含む): 417278160

約数和(自身を除く): 288885240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 356647, 713294, 1069941, 1426588, 1783235, 2139882, 2853176, 3209823, 3566470, 4279764, 5349705, 6419646, 7132940, 8559528, 10699410, 12839292, 14265880, 16049115, 21398820, 25678584, 32098230, 42797640, 64196460, 128392920]

約数ペア:

[(1, 128392920), (2, 64196460), (3, 42797640), (4, 32098230), (5, 25678584), (6, 21398820), (8, 16049115), (9, 14265880), (10, 12839292), (12, 10699410), (15, 8559528), (18, 7132940), (20, 6419646), (24, 5349705), (30, 4279764), (36, 3566470), (40, 3209823), (45, 2853176), (60, 2139882), (72, 1783235), (90, 1426588), (120, 1069941), (180, 713294), (360, 356647)]