121901440

素因数分解:

$2^7\times 5^1\times {\mathrm{190471}}^1$

素因数の和:190490

約数の個数: 32

約数和(自身を含む): 291422160

約数和(自身を除く): 169520720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 190471, 380942, 761884, 952355, 1523768, 1904710, 3047536, 3809420, 6095072, 7618840, 12190144, 15237680, 24380288, 30475360, 60950720, 121901440]

約数ペア:

[(1, 121901440), (2, 60950720), (4, 30475360), (5, 24380288), (8, 15237680), (10, 12190144), (16, 7618840), (20, 6095072), (32, 3809420), (40, 3047536), (64, 1904710), (80, 1523768), (128, 952355), (160, 761884), (320, 380942), (640, 190471)]