128656480

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34961}}^1$

素因数の和:34999

約数の個数: 48

約数和(自身を含む): 317175264

約数和(自身を除く): 188518784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 34961, 69922, 139844, 174805, 279688, 349610, 559376, 699220, 804103, 1118752, 1398440, 1608206, 2796880, 3216412, 4020515, 5593760, 6432824, 8041030, 12865648, 16082060, 25731296, 32164120, 64328240, 128656480]

約数ペア:

[(1, 128656480), (2, 64328240), (4, 32164120), (5, 25731296), (8, 16082060), (10, 12865648), (16, 8041030), (20, 6432824), (23, 5593760), (32, 4020515), (40, 3216412), (46, 2796880), (80, 1608206), (92, 1398440), (115, 1118752), (160, 804103), (184, 699220), (230, 559376), (368, 349610), (460, 279688), (736, 174805), (920, 139844), (1840, 69922), (3680, 34961)]