129845120

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8821}}^1$

素因数の和:8863

約数の個数: 64

約数和(自身を含む): 323943840

約数和(自身を除く): 194098720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 8821, 14720, 17642, 35284, 44105, 70568, 88210, 141136, 176420, 202883, 282272, 352840, 405766, 564544, 705680, 811532, 1014415, 1129088, 1411360, 1623064, 2028830, 2822720, 3246128, 4057660, 5645440, 6492256, 8115320, 12984512, 16230640, 25969024, 32461280, 64922560, 129845120]

約数ペア:

[(1, 129845120), (2, 64922560), (4, 32461280), (5, 25969024), (8, 16230640), (10, 12984512), (16, 8115320), (20, 6492256), (23, 5645440), (32, 4057660), (40, 3246128), (46, 2822720), (64, 2028830), (80, 1623064), (92, 1411360), (115, 1129088), (128, 1014415), (160, 811532), (184, 705680), (230, 564544), (320, 405766), (368, 352840), (460, 282272), (640, 202883), (736, 176420), (920, 141136), (1472, 88210), (1840, 70568), (2944, 44105), (3680, 35284), (7360, 17642), (8821, 14720)]