128276520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46477}}^1$

素因数の和:46514

約数の個数: 64

約数和(自身を含む): 401569920

約数和(自身を除く): 273293400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 46477, 92954, 139431, 185908, 232385, 278862, 371816, 464770, 557724, 697155, 929540, 1068971, 1115448, 1394310, 1859080, 2137942, 2788620, 3206913, 4275884, 5344855, 5577240, 6413826, 8551768, 10689710, 12827652, 16034565, 21379420, 25655304, 32069130, 42758840, 64138260, 128276520]

約数ペア:

[(1, 128276520), (2, 64138260), (3, 42758840), (4, 32069130), (5, 25655304), (6, 21379420), (8, 16034565), (10, 12827652), (12, 10689710), (15, 8551768), (20, 6413826), (23, 5577240), (24, 5344855), (30, 4275884), (40, 3206913), (46, 2788620), (60, 2137942), (69, 1859080), (92, 1394310), (115, 1115448), (120, 1068971), (138, 929540), (184, 697155), (230, 557724), (276, 464770), (345, 371816), (460, 278862), (552, 232385), (690, 185908), (920, 139431), (1380, 92954), (2760, 46477)]